Which of the following can be used to separate light into different colours
A
Prism
B
Convex lens
C
Mirror
D
Concave lens
Verified Correct Answer: A.
Physical Principles & Numerical Solution
A prism disperses white light into its constituent colours (spectrum) by refraction. Lenses and mirrors do not separate light into different colours.
Source: Myschool Past Questions Archive (Record #78287)