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A thermometer is laid out in direct sun light. Does this thermometer measure the temperature of the air or sun or what?

Can any object be hotter than another if they are at same temperature? Explain.

The triple point of water is a standard fixed point in modern thermometry. Why?

How can the sensitivity of the thermometer be increased?

Why is it wise to wait for some time to measure the temperature of the substances?

A charge q is divided into two small conducting spheres. Calculate the value of charges on the spheres so that when they are placed at certain distance apart, the repulsive force between them is ma...

Why is it dangerous to sit under a tree when it is lightening?