Free Printable Class X

1.

The refractive index of four substances A, B, C and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in

a)

(a) A

b)

(b) B

c)

(c) C

d)

(d) D

2.

In a myopic eye, the image of the object is formed

a)

(a) Behind the retina

b)

(b) On the retina

c)

(c) In front of the retina

d)

(d) On the blind spot

3.

3. The eye defect ‘presbyopia’ can be corrected by

a)

(a) Convex lens

b)

(b) Concave lens

c)

(c) Convex mirror

d)

(d) Bi focal lenses

4.

If VB, VG, VR be the velocity of blue, green and red light respectively in a glass prism, then which of the following statement gives the correct relation?

a)

(a) VB = VG = VR

b)

(b) VB > VG >VR

c)

(c) VB < VG < VR

d)

(d) VB < VG > VR

5.

The path of light is ______

a)

(a) Rays

b)

(b) Point

c)

(c) Lines

d)

(d) Beam

6.

6. The group of rays is ______

a)

(a) Lines

b)

(b) Dots

c)

(c) Beam

d)

(d) None of these

7.

The velocity of light is _______

a)

(a) 3x 10-8 ms-1

b)

(b) 3 x 108 ms-1

c)

(c) 3 x 108 km s-1

d)

(d) 3 x 10-8 km s-1

8.

Velocity and wavelength of light are related by a relation

a)

(a) g-c⋋

b)

(b) γ=cλγ=cλ

c)

(c) c=γγ⋋

d)

(d) Both b & c

9.

If the energy of the incident and scattered beam of light are same, then it is called ______ scattering

a)

(a) Ray light

b)

(b) Inelastic

c)

(c) Mie

d)

(d) Elastic

10.

10. The scattering of light by colloidal particles is _____ scattering.

a)

(a) Ray light

b)

(b) Mie

c)

(c) Raman

d)

(d) Tyndall

Class X - Physics L2

Total questions: 10

Worksheet time: 5mins

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