Optics Question 842
Question: The correct curve between refractive index p, and wavelength $ \lambda $ will be
Options:
A) A
B) D
C) B
D) C
Show Answer
Answer:
Correct Answer: A
Solution:
[a] According to Cauchy’s formula $ \mu =A+\frac{B}{{{\lambda }^{2}}}+ $ …
Therefore, as $ \lambda $ increases, $ \mu $ decreases. Curve A is correct.