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1. During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio C p /C V for the gas is (A) 4/3 (B) 2 (C) 5/3 (D) 3/2 2.One mole of ideal monoatomic gas ( C p /C V = 5/30) is mixed with one mole of diatomic gas (C p /C V = 7/5). What is C p /C V for the mixture? (A) 3/2 (B) 23/15 (C) 35/23 (D) 4/3 3.If the temperature of the sun were to increase from T to 2T and its radius from R to 2R, then the ratio of the radiant energy received on earth to what it was previously will be (A) 4 (B) 16 (C) 32 (D) 64.

1. During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio Cp/CV for the gas is
(A) 4/3
(B) 2
(C) 5/3
(D) 3/2


2.One mole of ideal monoatomic gas ( Cp/CV= 5/30) is mixed with one mole of diatomic gas (Cp/CV = 7/5). What is Cp/CV for the mixture?
(A) 3/2
(B) 23/15
(C) 35/23
(D) 4/3


3.If the temperature of the sun were to increase from T to 2T and its radius from R to 2R, then the ratio of the radiant energy received on earth to what it was previously will be
(A) 4
(B) 16
(C) 32
(D) 64.

Grade:11

1 Answers

rahul sharma
14 Points
9 years ago

Q1.ans (A)4/3

Q2.ans (A)3/2

Q3.ans (C)32

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