The path of a refracted ray of light in a prism is parallel to the base of the prism only when the
A. Light is of a particular wavelength
B. Ray is incident normally at one face
C. Ray undergoes minimum deviation
D. Prism is made of a particular type of glass
A. Light is of a particular wavelength
B. Ray is incident normally at one face
C. Ray undergoes minimum deviation
D. Prism is made of a particular type of glass
Correct Answer – c