A boy uses blue colour of tight to find the refractive index of glass. He then repeats the experiment using red colour of light.
A boy uses blue colour of tight to find the refractive index of glass. He then repeats the experiment using red colour of light. will the refractive index be the same or different in the two cases ? Give a reason to support your answer.
4 views
1 Answers
The index of refraction is a function of the wavelength of the light. The wavelength of red light is longer than the wavelength of blue light. Therefore, blue light bends more when it passes from air to glass. As the angle of deviation in both cases will be different, the refractive index will also be different. It will be more in case of blue light than red light.
4 views
Answered