• NEET
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• 11th
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• Physics
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Q.

Sir plz explain 1st and 2nd questions

Q1

An ideal gas heat engine operates in a Carnot cycle between 227 ºC and 127 ºC. It absorbs 6 kcal at the higher temperature. The amount of heat (in Kcal) converted into work is equal to

(a) 1.6

(b) 1.2

(c) 4.8

(d) 3.5

Q2

One mole of an ideal gas at an initial temperatue of TK does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/3, the final temperature of gas will be

(a) (T + 2.4) K

(b) (T - 2.4) K

(c) (T + 4) K

(d) (T - 4) K