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The internal energy of an ideal gas decr...

The internal energy of an ideal gas decreases by the same amount as the work done by the system

A

the process must be adiabatic

B

the process must be isothermal

C

the process must be isobaric

D

the temperature must decrease

Text Solution

Verified by Experts

The correct Answer is:
A, D
`Delta U= W_("on") = -W_("by") rArr q= 0`
`W_("by") = +Ve rArr Delta U= -Ve rArr Delta T lt 0`
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