Physics
State the dependence of angle of deviation :
(i) On the refractive index of the material of the prism.
(ii) On the wavelength of light.
Related Questions
A boy uses blue colour of light 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.
Copy the diagram given below and complete the path of light ray till it emerges out of the prism. The critical angle of glass is 42°. In your diagram mark the angles wherever necessary.
The ratio of amplitude of two waves is 3 : 4. What is the ratio of their :
(i) loudness?
(ii) frequencies?
State two ways by which the frequency of transverse vibrations of a stretched string can be increased.