The base of an electric iron is brightly polished mainly -

The correct option, if speeds of gamma rays, X-rays and microwave are Vg, Vx an Vm respectively will be

What is the focal length of a plane mirror?

The joint where the neck joins the head is known as which of the following?

The principle of conservation of linear momentum is based on:

Among petroleum refinery products, which has the lowest boiling point?

A stone is dropped from a height of 45 m. How long will it take to reach the ground? (Take g = 9.8 m/s² )

Who discovered the neutrons?

Which of the following pairing denoting the mixture of gases in air is NOT correct?