Q. If a gas expands isothermally, its internal energy __________.

यदि कोई गैस समतापी रूप से फैलती है, तो उसकी आंतरिक ऊर्जा __________ होती है।

A
Increases
बढ़ता है
B
Decreases
कम हो जाती है
C
Remains the same
वैसा ही रहता है
D
Becomes zero
शून्य हो जाता है

Explanation

An isothermal process means temperature remains constant. Since internal energy of an ideal gas depends only on temperature, it does not change.

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