Question
Question: The refractive indices of violet and red light are 1.51 and 1.49 respectively. If prism angle is 10<...
The refractive indices of violet and red light are 1.51 and 1.49 respectively. If prism angle is 100, the angular dispersion is –
A
.02
B
0.2
C
3.02
D
30.6
Answer
0.2
Explanation
Solution
q = (mV – mR) A = (1.51 – 1.49) × 10
\ q = .02 × 10 = 0.2