Friday, July 31, 2026

SPM Physics: AHA! Inertia Moment — Oil Tankers in Miri

 


In Miri Oil Town, students ask: Which oil tanker truck is the safest? Physics says the answer lies in inertia. One giant tank = major liquid sloshing, big inertia, unstable truck. Five smaller tanks = less sloshing, lower inertia, more stability. Plus, a longer distance between truck and tank makes U‑turns way easier. Conclusion: small tanks + long distance = safest ride.

Life works the same way. If you carry too much in one “big tank,” you’ll wobble and struggle. But if you learn to divide your burdens into “smaller tanks,” you’ll be steadier and able to handle life’s turns more smoothly.

AHA! Moment: Small tanks reduce inertia, long distance increases stability — physics keeps Miri’s oil moving safely.

Big tank = chaos. Small tanks = balance. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


In physics, we calculate momentum and stability. In reality, we rely on the mechanics who keep the wheels turning.

— By Cikgu LimCY | SuperLab Physics 4531




Thursday, July 30, 2026

SPM Physics: AHA! Physics of Flight — From Aerofoil to Courage


At the airport, students ask: How does a Boeing 737 fly? Physics says it’s all about the aerofoil wings. Faster airflow above the wing = lower pressure. Slower airflow below = higher pressure. That difference creates lift. When lift beats weight, the plane takes off. Humanity’s answer to gravity, powered by physics.

AHA! Moment: Aerodynamics cut the drag, aerofoil gives the lift. Lift beats weight, and humanity finds its horizon.

Quick Fact — Boeing 737-800 in Sarawak Aviation
In January 2026, Sarawak launched AirBorneo, its state-owned airline after acquiring MASwings. Headquartered in Kuching, it mainly runs rural air services, but now it’s making history with the Boeing 737-800 flying routes from Kuching International Airport (KCH) to Kuala Lumpur (KL). This expansion links Sarawak closer to Malaysia’s capital and beyond, showing the state’s growing influence in aviation.

Wings lift planes. Insight lifts horizons. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight



 

Wednesday, July 29, 2026

SPM Physics-AHA! Physics & Sunset — Apparent Sun Above Horizon

 


At Tanjung Aru Beach, Kota Kinabalu, students ask: Why is the Sun still visible after it has set? Physics says it’s refraction. Sunlight passes through denser air layers near the ground, bending towards the normal. Our eyes trace the rays back in straight lines, so the Sun looks like it’s still above the horizon even though it’s already gone. Nature’s illusion, explained by physics.

AHA! Moment: Less dense to denser, bends towards the normal — the true Sun below, the apparent Sun above.

Life Reflection: Watching the sunset from my seaside school always makes me think: “The sunset is infinitely beautiful, yet it is near dusk.” Stunning, but fleeting. Youth is just like that — it passes in the blink of an eye. Treasure today, equip yourself well. SPM too will pass quickly. Beyond it, a magnificent night sky filled with stars awaits.

Sun sets = illusion of light. Youth fades = spark of tomorrow. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


SPM Physics-AHA! Retro Time Travel — 1648 France, Mercury Rises!

 


In 1648 at Clermont-Ferrand, Blaise Pascal ran his famous mercury barometer experiment. When mercury rose to 760 mm, it proved atmospheric pressure exists. Most people saw just a column of mercury, but Pascal saw an “ocean of air” pressing down on Earth.

Today, we live under constant pressure too — parents, exams, deadlines. Yet think about it: every day we survive under immense atmospheric pressure without being crushed. That’s proof humans are built with resilience.

AHA! Moment: What makes humans special is not brute strength, but the ability to understand the hidden rules behind nature.

Pressure rises = mercury climbs. Pressure in life = you rise. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Monday, July 27, 2026

SPM Physics-AHA! Engineering Meets Physics — Terengganu’s Wave Barrier

 


At Paka Beach, Terengganu, students ask: Why do breakwaters have gaps? Physics says it’s diffraction. When waves pass through the gap, they bend, spread, and form curved wavefronts. Energy disperses, amplitude drops, and the water becomes calmer — perfect protection for fishing boats. That’s physics in action, not just in textbooks.

AHA! Moment: Physics lives in the waves, the rocks, and the boats of Terengganu. Not by sight, but by INSIGHT.

Life Reflection: Every time I teach wave diffraction, I remind my students: waves don’t stop when they meet an obstacle. They bend, spread, and keep moving forward. Life is the same — when you face SPM, it may only be a small slit in your journey. Be brave, go around the obstacle, and keep moving on. Challenges aren’t the end, they’re opportunities to show resilience.

Waves bend, life extends. Obstacles aren’t the end. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


SPM Physics-AHA! Hacks — Units & Decimals Secure Full Marks

 


In SPM Physics, calculation is more than numbers. Answers must come with units, no fractions left hanging, and rounded to 3–4 decimal places. That’s how you secure full marks. Correct physics + correct presentation = safe marks. Not by sight, but by INSIGHT — calculation is also communication.

Some say mathematics is the ultimate language of precision, and physics is its live canvas. Throughout history, only four titans predicted physical phenomena purely through math before experiments proved them right: Newton, Hamilton, Maxwell, and Einstein.

Remember Hamilton’s words: “For 40 years, I spent nearly 12 to 14 hours a day on mathematics. Every mathematical report was a piece of my life worth publishing.”

These formulas weren’t just cold numbers — they were life stories written in precision. And you — how will you write yours?

AHA! Moment: Correct physics plus correct presentation = safe marks.

Numbers talk, units shout, precision lives. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Sunday, July 26, 2026

SPM Physics-AHA! Retro Time Travel — Boyle & Hooke: The Dream Team of Physics

 


In SPM Physics, students must master both Boyle’s Law (PV=constant) and Hooke’s Law (F=kx). But here’s the twist: Robert Boyle and Robert Hooke weren’t just names in formulas — they were mentor and assistant, a legendary duo in science history.

Around 1655, Hooke, a poor but mechanically gifted young man, became Boyle’s assistant at Oxford. Boyle had the ideas and resources, Hooke had the hands and skill. Together, they were “the brain” and “the hands.” Boyle imagined groundbreaking gas experiments, but without Hooke’s craftsmanship — especially his design of Europe’s finest air pump — those experiments would never have worked.

AHA! Moment: Science isn’t just about formulas, it’s about teamwork. Boyle and Hooke’s partnership shows that behind every law lies collaboration, patience, and creativity.

Boyle’s brain + Hooke’s hands = science legends. Not by sight, but by INSIGHT!


#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight




Saturday, July 25, 2026

SPM Physics-AHA! Six Years for One Law: Ohm’s Legacy

 


Many students complain: “Why memorize so many formulas in physics?” But every formula has a story. This comic takes us back to Germany, 1825, where Georg Simon Ohm spent six years of patient experiments testing wires, metals, and currents. His perseverance revealed the relationship between voltage, current, and resistance — now known as Ohm’s Law (V = IR). For modern readers, Ohm’s journey is more than science. It is a reminder that knowledge is discovered, not memorized. His teaching method was persistence: testing, failing, recording, and trying again. That spirit inspires students today — physics is not just about marks, but about patience, curiosity, and resilience. Not by sight, but by INSIGHT — formulas are born from human struggle, and every equation carries a lesson in perseverance.

Life Reflection:Six long years. How many "six years" do we truly have in a lifetime?

Georg Simon Ohm endured six years of solitude, poverty, and doubt in relentless pursuit of understanding.

What does his legacy reveal to us? That profound knowledge is never handed down by chance; it is forged through unwavering patience, silent perseverance, and an unbroken heart.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Friday, July 24, 2026

SPM Physics-AHA! Why Missing Units = Missing Marks

 


In SPM Physics, many students lose marks even when their numbers are correct. Why? Because without S.I. units, the answer is incomplete. This comic reveals the Unit Guard Rule:

  1. Before calculation — Convert all quantities into S.I. base units (kg, m, s).

  2. After calculation — Attach the correct unit (N, J, m/s, etc.).
    Missing a unit is like driving a car without wheels — it simply doesn’t work.
    AHA! Moment: Small details decide big grades. One missing “kg” or “m/s” can cost a mark, but disciplined calculation ensures safety and full credit.
    Not by sight, but by INSIGHT — physics mastery means respecting the language of science: its units.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Thursday, July 23, 2026

SPM Physics-AHA! Echoes of the Ocean — Physics Meets Humanity

 


The inspiration for this comic came from an ASTRO AWANI report about a young humpback whale found dead, entangled in fishing nets at Pantai Hornitos, Chile. That tragedy reminded me that physics is not just about exams — it is about life, nature, and responsibility. This comic reveals the physics truth: sound travels faster in water than air, enabling whales to communicate across kilometers. Echolocation helps them “see” in darkness, but ghost nets reflect too little sound, making them invisible to sonar and deadly to whales. By combining SPM Physics core concepts with real-world environmental issues, this AHA! Physics Moment rises to a new level — a lesson in science, humanity, and environmental stewardship. Not by sight, but by INSIGHT — physics teaches us to protect life, not just calculate forces. Quick Fact — Humpback Whales ,Species: Humpback whale (Megaptera novaeangliae). Known For: Their haunting and complex songs, which can last for hours and travel across oceans.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Wednesday, July 22, 2026

SPM Physics-AHA! Physics Hacks — Score Every One-Mark Penalty Kick



In SPM Physics, students often overlook the importance of one-mark definition questions. Yet, these “small marks” are like penalty kicks in football — precise, technical, and decisive. This comic reveals the S.T.E.P. Rule: State directly, use Tendency, include Exact keywords, and stay Physics-rooted. Missing one keyword is like hitting the goalpost — the mark slips away. Start Small, Think Big means recognizing that every single mark matters. One mark may seem small, but together they build the foundation for an A+. By mastering definitions, students grow deeper in physics understanding and exam confidence. Quick Fact: In Malaysia’s SPM grading system, the difference between an A and an A+ can be just a handful of marks. That’s why one-mark questions are golden opportunities — small steps that lead to big success. Join the AHA moment where football meets physics, and exam hacks become life lessons: Not by sight, but by INSIGHT.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Tuesday, July 21, 2026

AHA! From MIT to Malaysia: A Postcard Lesson

 


Last week, one of my physics students returned from the MIT App Inventor Global Education Summit 2026 in the United States. She brought me two postcards and asked, “Cikgu, what does this equation mean?” At first glance, it looked confusing — mixing Einstein’s mass-energy equivalence with the Ideal Gas Law. But after careful decoding, I realized the hidden message spelled MIT.


This postcard became a perfect reflection of my teaching philosophy: AHA! Physics Moments. It shows that true learning is not about memorizing formulas, but about discovering hidden meanings. Not by sight, but by INSIGHTseeing what cannot be seen is the real vision. With the postcards and my comic side by side, I want to record this story in my blog as a reminder: physics is not just equations, it is a way of uncovering deeper truths.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight




SPM Physics-AHA! Why Police Jet Skis Master Rough Seas

 



At exhibitions, students marvel at police jet skis and wonder how they are designed for rough seas. This comic reveals the physics truth: V-shaped hulls cut through waves to reduce drag, hollow materials increase buoyant force, water jet propulsion provides thrust by Newton’s Third Law, and a lower center of gravity ensures stability. These modifications show how physics principles make jet skis safe and effective. Quick Fact: Police forces worldwide use specialized vehicles for patrol — from motorcycles and bicycles on land, to boats and jet skis on water. In Malaysia, the Royal Malaysia Police (PDRM) deploy jet skis for coastal surveillance, anti-smuggling operations, and rapid response in maritime emergencies. Their advantage lies in speed, agility, and the ability to maneuver in shallow waters where larger patrol boats cannot operate. Join the AHA moment where classroom physics meets real-world policing — buoyancy, drag, and momentum explain why jet skis are more than thrill machines, they are frontline tools of law enforcement.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight

Monday, July 20, 2026

SPM Physics-AHA! Why Army Motorcycles Conquer Jungle Terrain

 


In jungle warfare, students wonder how the Army Scrambler motorcycle is modified for extreme terrain. This comic reveals the physics truth: extra-long shock absorbers increase impact time to reduce force, knobby tires enhance friction on mud, guard plates deflect debris, and camouflage paint reduces detection by light reflection. Quick Fact: Military motorcycles have been used worldwide since World War I, valued for their speed, agility, and ability to carry messages or scouts across rough terrain. In Malaysia, the Tentera Darat (Army) deploys scrambler-style motorcycles for jungle patrols, reconnaissance, and rapid mobility. Their design emphasizes durability, stealth, and physics-driven engineering — making them tactical tools as well as vehicles. Join the AHA moment where battlefield engineering meets classroom physics — mastering forces is the key to survival and success.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Magnetic Induction Using a Horseshoe Magnet

 


Magnet ladam kuda boleh menarik objek besi kerana menghasilkan medan magnet yang kuat pada kutubnya. Bebola besi menjadi magnet sementara dan membentuk satu rantai.

A horseshoe magnet can attract iron objects because it produces a strong magnetic field at its poles. Iron balls become temporarily magnetised and form a chain.


👀 Key Observations | Pemerhatian Penting

✅ Bebola besi tertarik ke arah kutub magnet.

Iron balls are attracted towards the poles of the magnet.

✅ Bebola besi membentuk rantai apabila semakin banyak bebola ditambah.

The iron balls form a chain as more balls are added.

✅ Daya magnet paling kuat di kawasan kutub magnet.

The magnetic force is strongest at the poles.


🔬 Physics Behind It | Prinsip Fizik

✅ Magnet menghasilkan medan magnet.

A magnet produces a magnetic field.

✅ Bebola besi dimagnetkan secara sementara oleh aruhan magnet.

The iron balls become temporarily magnetised by magnetic induction.

✅ Setiap bebola bertindak sebagai magnet kecil dan menarik bebola seterusnya.

Each ball acts as a small magnet and attracts the next ball.


❌ Common Mistakes

❌ Menganggap magnet menyentuh semua bebola secara langsung.

Assuming the magnet directly attracts every ball.

❌ Menganggap semua bahan boleh dimagnetkan.

Assuming all materials can be magnetised.

❌ Mengelirukan magnet kekal dengan magnet sementara.

Confusing permanent magnets with temporary magnets.


⚠️ Safety / Handling

⚠️ Jauhkan magnet daripada telefon bimbit dan peranti elektronik.

⚠️ Keep magnets away from mobile phones and electronic devices.

⚠️ Elakkan menjatuhkan magnet kerana ia boleh retak.

⚠️ Avoid dropping the magnet as it may crack.

⚠️ Simpan magnet dengan betul selepas digunakan.

⚠️ Store magnets properly after use.


🎯 SPM Exam Tip

📌 Medan magnet paling kuat di kutub magnet.

📌 The magnetic field is strongest at the poles.

📌 Besi boleh dimagnetkan secara sementara melalui aruhan magnet.

📌 Iron can be temporarily magnetised by magnetic induction.

📌 Magnet ladam kuda mempunyai medan magnet yang lebih tertumpu antara kedua-dua kutub.

📌 A horseshoe magnet has a more concentrated magnetic field between its poles.


Sunday, July 19, 2026

SPM Physics-AHA! Why KL Tower Walk 100 Is Safe

 


At KL Tower Walk 100, students wonder how safety is guaranteed 421 meters above Kuala Lumpur. This comic reveals the physics truth: dynamic lanyards extend collision time to reduce impulsive force, steel rails withstand tension, grid flooring increases friction, and harnesses distribute pressure evenly. These features show how physics principles keep thrill-seekers safe at extreme heights. Quick Fact: The Kuala Lumpur Tower (Menara KL) was constructed between 1991 and 1995, officially opened on 1 October 1996. It was built under the leadership of then–Prime Minister Dr. Mahathir Mohamad as part of Malaysia’s modernization drive. The tower serves multiple purposes: a telecommunications hub, a cultural landmark, and a tourism attraction with panoramic city views. Join the AHA moment where physics explains safety at dizzying heights, while history reminds us how KL Tower itself became a symbol of Malaysia’s ambition and progress.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


SPM Physics-AHA! Physics Behind Awana Skyway Safety

 



At Awana Skyway, students puzzle over cable car design questions: forces, friction, drag, and safety. This comic reveals the physics truth: equilibrium isn’t about pulling harder, it’s about distributing forces wisely. Streamlined cabins reduce drag, grooved pulleys minimize friction, steel cables provide tensile strength, and electromagnetic brakes ensure smooth stopping. Safety belts and padding reduce impact force by impulse 
                                                                          F=mvmut
Quick Fact: The Genting Highlands resort, home to Awana Skyway, was founded by Tan Sri Lim Goh Tong (林梧桐, 1918–2007). Starting from humble beginnings, he built Genting from scratch into Malaysia’s world-famous hilltop resort. His vision transformed a remote mountain into today’s Resorts World Genting, a symbol of perseverance and engineering ambition. Join the AHA moment where physics meets history — balanced forces keep cable cars safe, while human determination built Genting Highlands into a global destination.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight

Saturday, July 18, 2026

SPM Physics-AHA! Physics Meets Engineering in Go-Karts

 


At Mid Valley’s underground go-kart track, students learn how physics upgrades make racing safer and more fun. But where did go-karts come from? This comic connects physics with history: Art Ingels invented the first go-kart in 1956, welding a steel chassis and fitting a lawnmower engine. His garage experiment became a global sport, training future Formula 1 champions. Join the AHA moment where engineering, physics, and history collide — from friction and impulse to the invention that revolutionized motorsport.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


SPM Physics-AHA! Nature’s Physicists — Crabs in Action

 


At the school field, students panic when crabs invade during the full moon. But this comic reveals the physics truth: The Moon’s gravity creates spring tides, giving crabs a shorter, safer journey to release their eggs at sea. Formula reminder: 
F=Gm1m2r2.
Nature doesn’t study physics — it lives it. Crabs time their migration with celestial mechanics, showing how biology and physics are deeply connected. Quick Fact: Mary Rathbun (1860–1943), one of history’s most famous crab experts, described over 1,000 new species of crabs and became a pioneer in marine zoology. Her work laid the foundation for understanding crustacean diversity worldwide.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


The Sarawak Moon: So round, so bright, it moonlights as a natural traffic controller for marching land crabs." Captured live from home. Because in physics, when the moon pulls, nature moves!
— SuperLab Physics 4531 | Proof that even the moon moonlights in Sarawak.


The Silent Army's Masterpiece.

If you ever visit our schoolyard in Sarawak, you might wonder why the ground looks like a miniature battlefield or a lunar landscape. This is the artistic (or perhaps chaotic) signature of our local land crabs.

Every single mud hillock is an entrance to a crab’s burrow, dug deep below to escape the tropical sun and tide. They spend their nights excavating this masterpiece, turning our flat school field into an adventurous obstacle course. It’s a living reminder that while we humans build structures above ground, an entire, bustling civilization is busy reshaping it from beneath.

— A snapshot of life in Borneo.


Friday, July 17, 2026

SPM Physics-AHA! Rubber Tires Save Ships with Physics

 


At the docks in Miri, students wonder why massive steel ships float while tiny iron nails sink. Isn’t that a contradiction? This comic reveals the physics truth: Buoyancy (FB = ρVg). A ship’s wide hull displaces a huge volume of water, and the water pushes back with equal force, keeping it afloat. And those “ugly tires”? They’re not decorations — they extend collision time, reducing force by impulse 
F=m(vu)t
Join the AHA moment where physics explains both floating giants and the humble tire fenders that protect them.

Life Reflection:Standing at the Miri docks, you’ll see ships of all kinds anchored along the coast—shipbuilding is one of our city’s true signatures. But I always tell my students: ships were never built to stay safely in the harbor; they were built to brave the open sea.

Life works the same way. SPM might feel like a towering wave that makes you want to shrink back. Yet, look at the ships—they were engineered for the voyage. You, too, were made to face this exam with courage.

AHA! Moment: True purpose isn’t found in the safety of the shore, but in the courage to set sail against the waves.



Thursday, July 16, 2026

SPM Physics-AHA! Why the Moon Blocks Our School Toilets

 


At SMK Lutong, a school in Miri’s historic oil town by the South China Sea, students notice seawater flooding drains and toilets during high tide. This comic reveals the physics truth: The Moon’s gravitational pull creates tidal bulges. As Earth rotates, sea levels rise when the school aligns with the bulge, causing water to backflow into drains. Formula reminder: 
F=Gm1m2r2
Join the AHA moment where celestial mechanics explain everyday plumbing problems — tides are not just at the beach, they affect schools too!

The ultimate physics view: Straight from the second-floor window of our school physics laboratory.
— By Cikgu LimCY | SuperLab Physics 4531


🔋 Battery Holder

 





Pemegang bateri digunakan untuk memegang bateri dengan kemas serta menyediakan sambungan elektrik kepada litar. Ia membolehkan satu atau lebih sel disambungkan dengan selamat dan mudah.

A battery holder is used to secure batteries and provide electrical connections to a circuit. It allows one or more cells to be connected safely and conveniently.

👀 Cara Membaca | Reading Technique

✅ Kenal pasti terminal positif (+) dan negatif (−) pada pemegang bateri.

Identify the positive (+) and negative (−) terminals on the battery holder.

✅ Pastikan bateri dipasang mengikut polariti yang betul.

Ensure the batteries are inserted with the correct polarity.

✅ Perhatikan bilangan sel yang digunakan kerana ia menentukan jumlah voltan bekalan.

Observe the number of cells used as it determines the total supply voltage.


❌ Common Mistakes

❌ Memasang bateri secara terbalik.

Inserting batteries in the wrong direction.

❌ Menganggap lebih banyak bateri sentiasa menghasilkan arus yang lebih besar.

Assuming that adding more batteries always produces a larger current.

❌ Tidak memeriksa sambungan wayar pada terminal output.

Failing to check wire connections at the output terminals.

❌ Mengelirukan sambungan siri dengan sambungan selari pada pemegang bateri.

Confusing series and parallel battery connections.


⚠️ Safety / Handling

⚠️ Gunakan bateri yang mempunyai saiz dan jenis yang sama.

⚠️ Use batteries of the same size and type.

⚠️ Jangan campurkan bateri lama dan bateri baharu.

⚠️ Do not mix old and new batteries.

⚠️ Tanggalkan bateri selepas eksperimen jika tidak digunakan untuk tempoh yang lama.

⚠️ Remove the batteries after the experiment if not used for a long period.

⚠️ Elakkan litar pintas pada terminal bateri.

⚠️ Avoid short-circuiting the battery terminals.


🎯 SPM Exam Tip

📌 Dalam kebanyakan pemegang bateri makmal, sel disambungkan secara siri.

📌 In most laboratory battery holders, the cells are connected in series.

📌 Voltan keseluruhan ialah jumlah voltan setiap sel.

📌 The total voltage is the sum of the voltages of individual cells.

Example | Contoh

🔋 1 cell = 1.5 V

🔋 2 cells = 3.0 V

🔋 4 cells = 6.0 V

📌 Semakin banyak sel disambungkan secara siri, semakin tinggi voltan bekalan.

📌 The more cells connected in series, the higher the supply voltage.








SPM Physics-AHA! Why Drones Switch Between Radio and Microwaves

 


In Sarawak’s plantations, drones count oil palm trees and send back GPS and video data. Modern drones are smart — they use dual-band synchronization to switch between radio waves and microwaves. For your exam, remember the core contrast: Radio waves are chosen for control links because their long wavelengths diffract around obstacles. Microwaves are chosen for data and satellite links because their higher frequencies provide massive data capacity. Join the AHA moment where physics explains why drones don’t just fly — they communicate intelligently with the right waves for the right job.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


Wednesday, July 15, 2026

SPM Physics-AHA! Physics Behind DSLR Lens Choices

 


A student compares a 50mm portrait lens with a 24mm pancake lens, wondering why the smaller one bends light more. This comic reveals the physics truth: Optical power depends on focal length, not size. Formula reminder: 
P=1f
In photography, 24mm lenses are best for landscapes and wide scenes, while 50mm lenses are perfect for portraits. Join the AHA moment where physics meets photography, showing how focal length shapes both science and art.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


SPM Physics-AHA! FIFA 2026 Meets Physics Insight

 


At the 2026 FIFA World Cup, hosted across the USA, Canada, and Mexico, Erling Haaland stunned fans with a curved “Banana Kick” goal. But how does a heavy football bend in mid-air? This comic reveals the physics truth: Bernoulli’s Principle and the Magnus Effect. Faster airflow means lower pressure, creating a sideways force that bends the ball’s path. Join the AHA moment where sports meet science, showing how Haaland’s magic is really physics in motion.

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight


SPM Physics-AHA! Sarawak’s CubeSat and Escape Velocity Explained


 Sarawak’s CubeSat project is Malaysia’s first state-level space initiative, aiming to launch a nanosatellite by 2030 for real-time Earth observation and data collection. When students watch its rocket launch, they wonder: “If it’s not moving at 11.2 km/s, how does it escape Earth’s gravity?” This comic reveals the truth: Escape velocity applies only to unpowered objects. A rocket with continuous thrust doesn’t need to “jump” out of Earth — it climbs out steadily. Join the AHA moment where physics meets Sarawak’s space dream, showing how science powers our future.