The production of pure spectrum could easily be achieved using a?
A
glass prism with a pin
B
triangular prism with two convex lens
C
traingular prism only
D
triangular prism with two concave lenses
Verified Correct Answer: B.
Physical Principles & Numerical Solution
A pure spectrum can be produced using a triangular prism-two converging lenses and a narrow slit of white light
Source: Myschool Past Questions Archive (Record #13962)