JEE Advanced Physics Test 13

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JEE Advanced Physics Test 13

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Question 1

4 / -1

Directions For Questions

Answer the following by appropriately matching the lists based on the information given in the paragraph.

...view full instructions

Consider a diatomic gas enclosed in a cylinder with a movable piston. The piston is massless, and the pressure outside is atmospheric pressure. If the cylinder is kept on a heat reservoir of constant temperature T and the piston is pulled out slowly so that the temperature of the gas inside remains constant, then

	List–I		List–II
(I)	Remains constant	(P)	The force required to pull out the piston
(II)	Increases	(Q)	The average change in momentum of molecules colliding with the piston
(III)	Decreases	(R)	The number of collision of molecules per unit time with the walls
(IV)	Value cannot be predicted with data given	(S)	Molar mass of the gas
		(T)	The pressure of the gas
		(U)	The average distance between molecules

I → Q; II → R,U; III → S,T; IV → P,U

I → P,U; II → P,U; III → R,S,T; IV → S

I → Q; II → P,U; III → R,T; IV → S

I → Q,S; II → P,U; III → R,T; IV → P,Q,R,S,T,U

Question 2

4 / -1

Directions For Questions

Answer the following by appropriately matching the lists based on the information given in the paragraph.

...view full instructions

Consider a diatomic gas enclosed in a cylinder with a movable piston. The piston is massless, and the pressure outside is atmospheric pressure. If the piston as well as the cylinder are adiabatic, and the gas undergoes adiabatic expansion such that volume increases slowly.

	List–I		List–II
(I)	Remains constant	(P)	Molar mass of the gas
(II)	Increases	(Q)	The average change in momentum of molecules colliding with the piston
(III)	Decreases	(R)	The number of collision of molecules per unit time with the walls
(IV)	Value cannot be predicted with data given	(S)	The rate of flow of heat energy into the gas
		(T)	The pressure of the gas
		(U)	The average distance between molecules