NEET PYQs for Refraction of Light with Solutions: Practice NEET Previous Year Questions

Updated 3+ months ago

Refraction of Light is an important topic in the Physics section in NEET exam. Practising this topic will increase your score overall and make your conceptual grip on NEET exam stronger.

This article gives you a full set of NEET PYQs for Refraction of Light with explanations for effective preparation. Practice of NEET Physics PYQs including Refraction of Light questions regularly will improve accuracy, speed, and confidence in the NEET 2026 exam.

NEET PYQs for Refraction of Light with Solutions

1.
An electromagnetic radiation of frequency n, wavelength $\lambda $, 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
- $ n, 2 \lambda \, \, and \, \, \frac{v}{\mu }$
- $ \frac{2n}{\mu}, \frac{\lambda}{\mu} $ and $ v $
- $\frac{n}{\mu } , \frac{\lambda}{ \mu }$ and $\frac{v }{\mu }$
- $\frac{n}{\mu } $ and $ \frac{v}{\mu } $
View Solution
2.
An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of
- small focal length and large diameter
- large focal length and large diameter
- large focal length and small diameter
- small focal length and small diameter
View Solution
3.
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:
- 30°
- 60°
- 90°
- 120°
View Solution
4.
An unpolarised light beam strikes a glass surface at Brewster's angle. Then
- The reflected light will be partially polarised.
- The refracted light will be completely polarised.
- Both the reflected and refracted light will be completely polarised.
- The reflected light will be completely polarised but the refracted light will be partially polarised.
View Solution
5.
Unpolarised light is incident from air on a plane surface of a material of refractive index ‘μ’. 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 ?
- Reflected light is polarised with its electric vector parallel to the plane of incidence
- $i=sin^{-1}\left(\frac{1}{\mu}\right)$
- Reflected light is polarised with its electric vector perpendicular to the plane of incidence
- $i=tan^{-1}\left(\frac{1}{\mu}\right)$
View Solution
6.
The angle of incidence for a ray of light at a refracting surface of a prism is $45^{\circ}$. The angle of prism is $60^{\circ }$. 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 :
- $30^{\circ} ; \sqrt{2}$
- $45^{\circ} ; \sqrt{2}$
- $30^{\circ} ; \frac{1}{ \sqrt{2}}$
- $45^{\circ} ; \frac{1}{ \sqrt{2}}$
View Solution
7.
The critical angle for total internal reflection in diamond is $ 24.5^{\circ} $ . The refractive index of the diamond is
- 2.45
- 1.41
- 2.59
- 1.59
View Solution
8.
Two transparent media. A and B are separated by a plane boundary. The speed of light in those media are 1.5 × 10⁸ m/s and 2.0 × 10⁸ m/s, respectively. The critical angle for a ray of light for these two media is:
- sin^-1(0.5000)
- sin^-1(0.750)
- tan^-1(0.500)
- tan^-1(0.750)
View Solution
9.
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 : -
- only $\frac{d}{4}$
- only $\frac{d}{2}$
- more than $\frac{d}{4}$ but less than $\frac{d}{2}$
- less than $\frac{d}{4}$
View Solution
10.
The refractive index of the material of a prism is $\sqrt{2}$ and the angle of the prism is $30^{\circ}$. 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
- zero
- $60^{\circ}$
- $30^{\circ}$
- $45^{\circ}$
View Solution
11.
Which of the following is not due to total internal reflection?
- Working of optical fibre
- Difference between apparent and real depth of a pond
- Mirage on hot summer days
- Brilliance of diamond
View Solution
12.
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 :-
- $\frac{\sqrt 3+1}{ 2}$
- $\frac{\sqrt 2+1}{ 2}$
- $\sqrt{\frac{3}{2}}$
- $\sqrt{\frac{7}{6}}$
View Solution
13.
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
- become zero
- become infinite
- become small, but non-zero
- remain unchanged
View Solution
14.
A bubble in glass slab $ (\mu = 1.5) $ when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is
- 3.75 cm
- 3 cm
- 10.5 cm
- 2.5 cm
View Solution

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NEET PYQs for Refraction of Light with Solutions

1.An electromagnetic radiation of frequency n, wavelength $\lambda $, 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

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

3.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:

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

5.Unpolarised light is incident from air on a plane surface of a material of refractive index ‘μ’. 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 ?

6.The angle of incidence for a ray of light at a refracting surface of a prism is $45^{\circ}$. The angle of prism is $60^{\circ }$. 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 :

7.The critical angle for total internal reflection in diamond is $ 24.5^{\circ} $ . The refractive index of the diamond is

8.Two transparent media. A and B are separated by a plane boundary. The speed of light in those media are 1.5 × 108 m/s and 2.0 × 108 m/s, respectively. The critical angle for a ray of light for these two media is:

9.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 : -

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

12.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 :-

13.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

14.A bubble in glass slab $ (\mu = 1.5) $ when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is

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1.
An electromagnetic radiation of frequency n, wavelength $\lambda $, 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

2.
An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of

3.
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:

4.
An unpolarised light beam strikes a glass surface at Brewster's angle. Then

5.
Unpolarised light is incident from air on a plane surface of a material of refractive index ‘μ’. 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 ?

6.
The angle of incidence for a ray of light at a refracting surface of a prism is $45^{\circ}$. The angle of prism is $60^{\circ }$. 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 :

7.
The critical angle for total internal reflection in diamond is $ 24.5^{\circ} $ . The refractive index of the diamond is

8.
Two transparent media. A and B are separated by a plane boundary. The speed of light in those media are 1.5 × 10⁸ m/s and 2.0 × 10⁸ m/s, respectively. The critical angle for a ray of light for these two media is:

9.
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 : -

11.
Which of the following is not due to total internal reflection?

12.
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 :-

13.
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

14.
A bubble in glass slab $ (\mu = 1.5) $ when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is