Q.

Assertion (A) : In a cyclic process change in internal energy of the system is zero.

Reason (R) : Internal energy is a state function

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a

(A) is true but (R) is false

b

(A) is false but (R) is true

c

Both (A) and (R) are true and (R) is not the correct explanation of (A) 

d

Both (A) and (R) are true and (R) is the correct explanation of (A)

answer is A.

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Detailed Solution

in cyclic process it comes back to the same initial state as internal energy is a state function no change in internal energy. 

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