SPM Physics: AHA! Gas Laws – Three Simple Patterns, Full Marks!

 

Every gas law tells a story of how pressure, volume, and temperature dance together under different conditions.

1️⃣ Boyle’s Law (T Constant)

$$PV=\text{Constant}$$

Pressure ↑ → Volume ↓ They move in opposite directions. Graph: $V$ vs $1\mathrm{/}P$ → straight line. 👉 “Boyle likes opposite direction. Naik, V turun!”

2️⃣ Charles’s Law (P Constant)

$$\frac{V}{T}=\text{Constant}$$

Temperature ↑ → Volume ↑ They move together. Graph: $V$ vs $T$ → straight line through origin. 👉 “Temperature and volume jalan sama-sama!”

3️⃣ Gay-Lussac’s Law (V Constant)

$$\frac{P}{T}=\text{Constant}$$

Temperature ↑ → Pressure ↑ Volume locked, only pressure can rise. Graph: $P$ vs $T$ → straight line through origin. 👉 “Heat more, pressure only can naik!”

Quick Memory Shortcut: B → $PV$ (T constant) C → $VT$ (P constant) G → $PT$ (V constant)

AHA! Three gas laws, one rhythm of balance. Not by sight, but by INSIGHT!

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