A beam of blue light was used to obtain diffraction pattern using a diffraction grating. If yellow light is used by replacing the blue light

If the speed of light in air is represented by c and the speed in a medium is v, then the refractive index of the medium can be calculated using the formula

The refractive index of crown glass is close to 3/2. If the speed of light in air is c, then the speed of light in the crown glass will be close to

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

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 ?

Refraction of light, as it enters from one transparent medium to another, is due to