Optics Question 828

Question: The following data are given for a crown glass prism;refractive index for violet light nv=1.521 refractive index for red light nr=1.510 refractive index for yellow light ny=1.515 Then the dispersive power of a parallel glass slab made of the same material is

Options:

A) 0.01

B) 0.03

C) 0

D) 0.02

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Dispersive power (ω)

=nvnrny1=1.5211.5101.5151=0.02



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