MHT CET 2024 4th May Evening Shift | Heat and Thermodynamics Question 152 | Physics

According to the law of equipartition of energy the molar specific heat of a diatomic gas at constant volume where the molecule has one additional vibrational mode is

$\frac{9}{2} \mathrm{R}$

$\frac{5}{2} R$

$\frac{3}{2} R$

$\frac{7}{2} R$

MHT CET 2024 4th May Morning Shift

MCQ (Single Correct Answer)

-0

A carnot engine, whose efficiency is $40 \%$ takes heat from a source maintained at temperature 600 K . It is desired to have an efficiency $60 \%$, then the intake temperature for the same exhaust (sink) temperature should be

1800 K

1200 K

900 K

600 K

MHT CET 2024 4th May Morning Shift

MCQ (Single Correct Answer)

-0

Two rods of same length \& material transfer a given amount of heat in 12 s when they are joined end to end. But when they are joined length wise parallel to each other they will transfer same amount of heat in same condition in time

24 s

3 s

1.5 s

48 s

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