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JEE Main Physics Class 11 Thermodynamics Part 2 Questions

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Question : 35

Total: 82

Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : If dQ and dW represent the heat supplied to the system and the work done on the system respectively. Then according to the first law of thermodynamics dQ=dU−dW.
Reason R : First law of thermodynamics is based on law of conservation of energy.
In the light of the above statements, choose the correct answer from the option given below :

[29-Jan-2023 Shift 1]

A is correct but R is not correct
A is not correct but R is correct
Both A and R are correct and R is the correct explanation of A
Both A and R are correct but R is not the correct explanation of A

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