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CBSE Notes 2011-2012 » XI-Physics

Thermal Properties of Matter

Why do two layers of a cloth of equal thickness provide warmer covering than a single layer of cloth...

Short answer question

Why do two layers of a cloth of equal thickness provide warmer covering than a single layer of cloth of double the thickness ?

Why is it cooler at the top of mountains ?

Short answer question

Why is it cooler at the top of mountains ?

Name three factors affecting the energy radiated by a hot body.

Short answer question

Name three factors affecting the energy radiated by a hot body.

What is the shift in the colour of light when the temperature increases ?

Short answer question

What is the shift in the colour of light when the temperature increases ?

Why do birds swell their feathers in winter ?

Short answer question

Why do birds swell their feathers in winter ?

What is Pyrometer ?

Short answer question

What is Pyrometer ?

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