According to which law, at a constant temperature, the volume of a gas is inversely proportional to pressure?

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NTPC CBT-I (Held On: 28 Dec 2020 Shift 2)
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  1. Boyle’s Law
  2. Gay-Lussac’s Law
  3. Charle’s Law
  4. Graham’s Law

Answer (Detailed Solution Below)

Option 1 : Boyle’s Law
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RRB NTPC Graduate Level Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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The correct answer is Boyle’s Law.

  • According to Boyle’s Law at a constant temperature, the volume of a gas is inversely proportional to pressure.

Key Points

  • Boyle’s Law
    • At constant temperature, the volume of a definite mass of a gas is inversely proportional to the pressure.
    • P. V = constantAdditional Information
  • Charles’ Law:
    • At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature.
  • Gay-Lussac’s Law
    • At constant volume, the pressure of a given mass of a gas is directly proportional to the temperature in Kelvin.
  • Graham’s Law of Diffusion
    • According to this law, the rate of diffusion of a gas is inversely proportional to the square root of its density.

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