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Q.

A system absorbs 600J of heat from the surroundings and does a work of 450J. Change in internal energy during the process is

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a

+1050J

b

-1050J

c

+150J

d

-150J

answer is C.

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Detailed Solution

Heat absorbed by the system, q=+Ve ;  Workdone by the system , W= -Ve ;

∆E=+600J-450J=+150J

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