NEET PhysicsClass 11First law of thermodynamicsEasySingle correct

A gas in a cylinder absorbs 500 J of heat and, at the same time, pushes a piston outward, doing 200 J of work on the surroundings. The change in its internal energy is

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A gas in a cylinder absorbs 500 J of heat and, at the same time, pushes a piston outward, doing 200 J of work on the surroundings. The change in its internal energy is

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