A disc of wax is melted and molded into a solid sphere. What will be the effect on the moment of inertia about the common axis passing through the centre?

The moment of inertia will decreases.

A disc of wax is melted and molded into a solid sphere. What will…

Does the radius of gyration depend on the angular velocity of the body?

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Write an expression for distance covered in $n^{th}$ second for a uniformly accelerated motion.

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Which working substance is used in reversible Carnot engine?

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Write the reason, why negative temperature is not possible on the ultimate temperature scale?

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When will Doppler effect in sound be symmetrical?

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Write the dimensional formula of wavelength and frequency of a wave.

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How is the path difference related to phase difference?

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Give an example of:
A physical quantity which has a unit but no dimensions.

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Which group of Physics has recently came into existence?

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In a isothermal, homogeneous and isobaric processes, in which process is the value of work done for the same volume change more?

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