JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Understanding +4 | -1

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

View answer and explanation

Correct option: A

Green

Option A (Green) is correct because the color of light is determined by its frequency, which remains unchanged when light travels from one medium to another.

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In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium A double convex lens is made of glass which has its refractive index 1,45 for violet rays and 1.50 for red rays. If the focal length for violet ray is

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