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← JEE Main 2022 · 25 Jul · Shift 1
PhysicsSingle correct+4 / -1Question 38 of 90

JEE Main 2022 · 25 Jul · Shift 1, Physics question 38

Following statements are given :

(A) The average kinetic energy of a gas molecule decreases when the temperature is reduced.

(B) The average kinetic energy of a gas molecule increases with increase in pressure at constant temperature.

(C) The average kinetic energy of a gas molecule decreases with increase in volume.

(D) Pressure of a gas increases with increase in temperature at constant pressure.

(E) The volume of gas decreases with increase in temperature.

Choose the correct answer from the options given below :

Choose one option
Answer and worked solution

Official answer: A

Check. (A) true. (B) false (depends only on T). (C) false. (D) taken as true in NTA's key (pressure rising with temperature). (E) false.

(A)