NEET-UG SERIES

Physics

Refraction Of Light

13 previous year questions.

Volume: 13 Ques

Yield: Medium

High-Yield Trend

1

2024

2

2023

3

2018

1

2016

1

2011

1

2003

2

2002

1

2000

1

1997

Chapter Questions
13 MCQs

01

PYQ 1997

medium

physics ID: neet-ug-

An electromagnetic radiation of frequency n, wavelength , travelling with velocity v in air, enters a glass slab of refractive index \mu . The frequency, wavelength and velocity of light in the glass slab will be respectively

1

2

and

3

and

4

and

02

PYQ 2000

easy

physics ID: neet-ug-

A bubble in glass slab when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is

1

3.75 cm

2

3 cm

3

10.5 cm

4

2.5 cm

03

PYQ 2002

medium

physics ID: neet-ug-

For the given incident ray as shown in figure, the condition of total internal refraction of this ray the required refractive index of prism will be :-

1

2

3

4

04

PYQ 2002

medium

physics ID: neet-ug-

A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. If the distance between parallel walls is 'd' then required focal length of lens placed in between the walls is : -

1

only

2

only

3

more than but less than

4

less than

05

PYQ 2003

medium

physics ID: neet-ug-

A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will

1

become zero

2

become infinite

3

become small, but non-zero

4

remain unchanged

06

PYQ 2011

medium

physics ID: neet-ug-

Which of the following is not due to total internal reflection?

1

Working of optical fibre

2

Difference between apparent and real depth of a pond

3

Mirage on hot summer days

4

Brilliance of diamond

07

PYQ 2016

medium

physics ID: neet-ug-

The angle of incidence for a ray of light at a refracting surface of a prism is . The angle of prism is . If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are :

1

2

3

4

08

PYQ 2018

medium

physics ID: neet-ug-

The refractive index of the material of a prism is and the angle of the prism is . One of the two refracting surfaces of the prism is made a mirror inwards, by silver coating. A beam of monochromatic light entering the prism from the other face will retrace its path (after reflection from the silvered surface) if its angle of incidence on the prism is

1

zero

2

3

4

09

PYQ 2018

medium

physics ID: neet-ug-

Unpolarised light is incident from air on a plane surface of a material of refractive index ‘\mu ’. At a particular angle of incidence ‘i’, it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation ?

1

Reflected light is polarised with its electric vector parallel to the plane of incidence

2

3

Reflected light is polarised with its electric vector perpendicular to the plane of incidence

4

10

PYQ 2018

medium

physics ID: neet-ug-

An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of

1

small focal length and large diameter

2

large focal length and large diameter

3

large focal length and small diameter

4

small focal length and small diameter

11

PYQ 2023

medium

physics ID: neet-ug-

Two transparent media. A and B are separated by a plane boundary. The speed of light in those media are 1.5 \times 10 8 m/s and 2.0 \times 10 8 m/s, respectively. The critical angle for a ray of light for these two media is:

1

sin -1 (0.5000)

2

sin -1 (0.750)

3

tan -1 (0.500)

4

tan -1 (0.750)

12

PYQ 2023

hard

physics ID: neet-ug-

A light ray falls on a glass surface of refractive index √3, at an angle 60°. The angle between the refracted and reflected rays would be:

1

30°

2

60°

3

90°

4

120°

13

PYQ 2024

easy

physics ID: neet-ug-

An unpolarised light beam strikes a glass surface at Brewster's angle. Then

1

The reflected light will be partially polarised.

2

The refracted light will be completely polarised.

3

Both the reflected and refracted light will be completely polarised.

4

The reflected light will be completely polarised but the refracted light will be partially polarised.