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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoDifferent processesEasy2 minPYQ_2016
PhysicsEasysingle choice

200 gwater is heated from40 oCto60 oC. Ignoring the slight expansion of water, the change in its internal energy is close to (Given specific heat of water=4184J kg-1 K-1):

Options:

Answer:
D
Solution:

Assuming isochoric process

Q=U

U=0.2×4184×20

=16.7 kJ

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Different processes
2mℹ️ Source: PYQ_2016

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