Question

A ray of light travelling in water is incident on its surface open to air. The angle of incidence is `theta`, which is less than the critical angle. Then there will be
A. only a reflected ray and no refracted ray
B. only a refracted ray and no reflected ray
C. a reflected raay and a refracted ray and the angle between them would be less than `180^@-2theta`
D. a reflected ray and a refracted ray and the angle between them would be greater than `180^@-2theta`

Answer 1

Correct Answer - C
When light passes from one medium to another, both reflection and refraction take place.

`rgttheta`
Angle between reflected and refracted rays
`=180-(r+theta)`
`lt(180-2theta)`