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Mechanical Properties Of Fluids

Question

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Why is invar used in making clock pendulum?

Solution

Invar, which is an alloy of nickel and steel has an exceptionally small value of temperature coefficient of expansion. Therefore its length does not change in summer and winter and the clock gives correct time in all the seasons.

Some More Questions From Mechanical Properties of Fluids Chapter

Is there any relation between uniform circular motion and simple harmonic motion?

What is periodic motion?

Write down the expression for the instantaneous velocity and acceleration of particle vibrating in simple harmonic motion.

How do you define the mean position of particle executing simple harmonic motion?

Define amplitude.

What is the net displacement of the particle executing simple harmonic motion in one complete oscillation?

Are all the periodic motions simple harmonic?

Does the time period of particle vibrating in simple harmonic motion depend upon its displacement?

Where will the particle executing simple harmonic motion have acceleration maximum and speed zero?

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