NEET UG PHYSICS MCQ: THERMODYNAMICS

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Application +4 | -1

Find the change in the entropy in the following process

100g

of ice at

{0^ \circ }C

melts when dropped in a bucket of water at

{50^ \circ }C

(Assume temperature of water does not change)

View answer and explanation

Correct option: B

+ 4.5cal/K

The change in entropy is

+ 4.5cal/K

because it is calculated by dividing the heat absorbed by the ice during melting by the temperature at which melting occurs.

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