Light waves are incident on an air-glass boundary. Some of the light waves are reflected and some are refracted in the glass. Which one of the following properties is the same for the incident wave and the refracted wave ?

In the dispersion of white light by a common glass prism, which one among the following is correct?

Which one of the following colours of white light is least deviated by the glass prism?

When a light beam falls on a triangular glass prism, a band of colours is obtained. Which one of the following statements is correct in this regard ?

Which one of the following reflects back more sunlight as compared to other?

Which one of the following statements is not correct for light rays ?