JEE PHYSICS MCQ: THERMODYNAMICS

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Application +4 | -1

A thermally insulated vessel contains an ideal gas of molecular mass

M

and ratio of specific heats 1.4. Vessel is moving with speed

v

and is suddenly brought to rest. Assuming no heat is lost to the surrounding and vessel temperature of the gas increases by (

R

= Universal gas constant)

View answer and explanation

Correct option: B

\frac{{M{v^2}}}{{5R}}

Option B (

\frac{{M{v^2}}}{{5R}}

) is correct because the increase in temperature is due to the conversion of kinetic energy into internal energy of the gas.

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