NEET UG PHYSICS MCQ: THERMODYNAMICS

1 Easy

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Application +4 | -1

The temperature of food material in a refrigerator is

4^{\circ} \mathrm{C}

and temperature of environment is

15^{\circ} \mathrm{C}

. If carnot cycle is used in its working gas, then find its carnot efficiency.

View answer and explanation

Correct option: A

0.038

Option A (0.038) is correct because the Carnot efficiency is calculated using the temperatures of the cold and hot reservoirs in Kelvin.

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\frac{1}{3}

4^{\circ} \mathrm{C}

15^{\circ} \mathrm{C}

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