Assertion (A) : During change of state of a substance internal energy of a substance remains.com
Reason (R) : During isothermal process of an ideal gas change in internal energy is zero
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true and R is the not correct explanation of A
c) A is true. Ris false
d) A is false, R is true
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option B is correct I think please follow me
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