Q. If the temperature of a gas is doubled and the pressure is halved, the volume will:

यदि किसी गैस का तापमान दोगुना कर दिया जाए और दबाव आधा कर दिया जाए, तो आयतन होगा:

A
Remain the same
एक ही रहेगा
B
Double
दोहरा
C
Quadruple
चौगुनी
D
Halve
आधा करना

Explanation

Given: Temperature doubles (T₂ = 2T₁), Pressure halves (P₂ = P₁/2)

Using combined gas law: P₁V₁/T₁ = P₂V₂/T₂

Solving for V₂: V₂ = (P₁V₁T₂)/(T₁P₂)

Substituting values: V₂ = (P₁ × V₁ × 2T₁)/(T₁ × P₁/2) V₂ = (2P₁V₁T₁)/(T₁P₁/2) V₂ = 2V₁ × 2 = 4V₁

Therefore: Volume quadruples

Physical reasoning:

  • Temperature doubling increases volume by factor of 2
  • Pressure halving increases volume by factor of 2
  • Combined effect: 2 × 2 = 4 times increase

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