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Mechanical Properties Of Fluids

Question
CBSEENPH11019500
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(a) Can Cp < Cv?

(b) Can a system which is not in thermal equilibrium be in thermal equilibrium at a later time? Give an example.

Solution

(a) Yes, when water is heated from 0°C to 4°C then Cp < Cv , because water contracts when heated from 0°C to 4°C. Water exhibits anomalous behaviour.

(b) Yes, when we add a hot piece of metal into water, the temperature of the metal piece starts decreasing and that of water starts increasing. After some time temperature of both becomes equal and hence thermal equilibrium is attained.

Some More Questions From Mechanical Properties of Fluids Chapter

What is wave?

Is it logical to say that wave motion is a process of propagation of mass?

What is common property of all types of waves?

What are different types of wave motions?

Define transverse wave motion.

Define longitudinal wave motion.

Which of the two waves - elastic waves or electromagnetic waves does need any material media for its propagation?

What is sound?

How sound is produced?

Can sound travel in vacuum?

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