When white light is incident on a glass prism the spectrum produced on a screen placed beyond the prism is due to?
A
Diffraction
B
Reflection
C
Refraction
D
Polarisation
E
Interference
Verified Correct Answer: C.
Physical Principles & Numerical Solution
White light splits into a spectrum when it passes through a glass prism due to refraction, as different wavelengths bend by varying amounts, causing dispersion.
Source: Myschool Past Questions Archive (Record #26298)