Question

Compare latent heat of fusion and vaporization of water.

State the principle of calorimetry.

An object placed in front of a convex lens, forms an image of same size on a screen. Moving the object 12 cm closer to the lens results in the formation of a real image which is three times the size of the object. Calculate the focal length of the lens.

Atmospheric temperature after a hailstorm is greater than the temperature during the hailstorm. State True or False.