Optics Question 724
Question: The wavelength of light diminishes $ \mu $ times ( $ \mu =1.33 $ for water) in a medium. A diver from inside water looks at an object whose natural colour is green. He sees the object as
[CPMT 1990; MNR 1998]
Options:
A) Green
B) Blue
C) Yellow
D) Red
Show Answer
Answer:
Correct Answer: A
Solution:
Colour of light is determined by its frequency and as frequency does not change, colour will also not change and will remains green.
