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Quiz 1 by Nidhi Gupta

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Light waves are

a)

longitudinal waves

b)

transverse waves

c)

both(a) & (b)

d)

none of them

2.

Light acts like

a)

a wave

b)

Both a wave and a particle

c)

a particle

d)

neither a wave nor a particle

3.

Colours in thin film are because of

a)

Dispersion

b)

diffraction

c)

interference

d)

polarization

4.

In Newton's rings experiment(for reflected light), the diameter of bright rings is directly proportional to

a)

odd natural numbers

b)

even natural numbers

c)

natural numbers

d)

square root of odd natural numbers

5.

Which of the following device cannot produce coherent beam of light?

a)

Fresnel's Biprism

b)

Newton's Rings

c)

Michelson Interferometer

d)

Half shade polarimeter

6.

which two of the following are methods to produce coherent sources?

a)

division of wavelength

b)

division of amplitude

c)

division of wavefront

d)

division of frequency

7.

Superposition of crest and trough of two light waves results in

a)

Destructive Interference

b)

polarization

c)

diffraction

d)

constructive interference

8.

for constructive interference the path difference must be equal to

a)

nλ

b)

(n+1)λ

c)

(n+1/2)λ

d)

All of these

9.

which of the colour (wavelength) is having highest wavelength in visible light spectrum?

a)

Blue

b)

red

c)

violet

d)

green

10.

which of the following is not a basic parameter of a light wave?

a)

frequency

b)

amplitude

c)

source

d)

phase