Question

1) MULTIPLE CHOICE QUESTIONS
1. A ray of light incident perpendicularly on a glass slab :
(A) bends towards the normal
(B) bends away from the normal
(C) moves along the normal
(D) none of these.
2. A ray of light while travelling from medium P to Q, deviates away from the normal. The speed of light in:
(A) Pis more than Q
(B) Q is more than P (C) P is same as Q
(D) none of these.
3. The perpendicular shift in the path of light while emerging from another optical medium is called :
(A) displacement
(B) lateral displacement (C) shifting
(D) none of these.
4. A material medium having the lowest optical density is:
(A) water
(B) glass
(C) air
(D) diamond
5. When the light travels from one medium to another medium of different refractive index, then which
of the following will change?
(A) Wavelength and speed
(B) Frequency and wavelength
(C) Frequency and speed
(D) Frequency, wavelength and speed.​

Answer 1

Explanation:

glass

(C) air

(D) diamond

5. When the light travels from one medium to another medium of different refractive index, then which

of the following will change?

(A) Wavelength and speed

(B) Frequency and wavelength

(C) Frequency and speed

(D) Frequency, wavelength and speed.

Answer 2

Answer:

sorry I don't know the answer