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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoFirst lawEasy2 minPYQ_2019
PhysicsEasysingle choice

When heatQis supplied to a diatomic gas of rigid molecules, at constant volume its temperature increases by T. The heat required to produce the same change in temperature, at a constant pressure is:

Options:

Answer:
B
Solution:

For diatomic gasCP=72R
CV=52R
Heat supplied at constant volumeQ=nCVΔT
Heat supplied at constant pressureQ'=nCPΔT
QQ'=CVCP
Q'=QCPCV=75Q

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:First law
2mℹ️ Source: PYQ_2019

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