Geometrical Optics PYQs - Last 10 Years

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Practice 36 NEET Physics questions from Geometrical Optics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 10 Years Geometrical Optics Questions

Showing 36 of 36 filtered questions.

1Geometrical Optics

The lens combination as shown in the figure, consists of two lenses, $L_1$ and $L_2$, of the focal lengths +10 cm and -10 cm , respectively. The position of the image formed is:

2Geometrical Optics

Which of the following measurements require 'index correction'?

3Geometrical Optics

Consider three media $P, Q$ and $R$ with refractive indices $1,1.25$, and 1.5 respectively. The medium $Q$ having a thickness of 5 cm is placed between extended media $P$ and $R$ as shown in the figure. An object $O$ is placed at the centre...

4Geometrical Optics

A ray of monochromatic light is passing through an equilateral prism $(A B C)$ as shown in the figure. The refracted ray $(Q R)$ is parallel to its base $(B C)$ and the angle of incidence $(i)$ is $50^{\circ}$. Then the angle of deviation $...

5Geometrical Optics

In a concave lens, a ray of light emanating from the object parallel to the principal axis of the lens after refraction:

6Geometrical Optics

A microscope has an objective of focal length 2 cm , eyepiece of focal length 4 cm and the tube length of 40 cm . If the distance of distinct vision of eye is 25 cm , the magnification in the microscope is

7Geometrical Optics

In a certain camera, a combination of four similar thin convex lenses are arranged axially in contact. Then the power of the combination and the total magnification in comparison to the power ( $p$ ) and magnification ( $m$ ) for each lens ...

8Geometrical Optics

Given below are two statements:
Statement I : Image formation needs regular reflection and/or refraction.
Statement II : The variety in colour of objects we see around us is due to the constituent colours of the light incident on them.
In t...

9Geometrical Optics

A light ray enters through a right angled prism at point \(P\) with the angle of incidence \(30^{\circ}\) as shown in figure. It travels through the prism parallel to its base \(B C\) and emerges along the face \(A C\). The refractive index...

10Geometrical Optics

A small telescope has an objective of focal length \(140 \mathrm{~cm}\) and an eye piece of focal length \(5.0 \mathrm{~cm}\). The magnifying power of telescope for viewing a distant object is:

11Geometrical Optics

An object is mounted on a wall. Its image of equal size is to be obtained on a parallel wall with the help of a convex lens placed between these walls. The lens is kept at distance x in front of the second wall. The required focal length of...

12Geometrical Optics

A horizontal ray of light is incident on the right angled prism with prism angle \(6^{\circ}\). If the refractive index of the material of the prism is 1.5 , then the angle of emergence will be:

13Geometrical Optics

\(\epsilon_0\) and \(\mu_0\) are the electric permittivity and magnetic permeability of free space respectively. If the corresponding quantities of a medium are \(2 ~\epsilon_0\) and \(1.5 ~\mu_0\) respectively, the refractive index of the ...

14Geometrical Optics

A lens is made up of 3 different transparent media as shown in figure. A point object O is placed on its axis beyond \(2f\). How many real images will be obtained on the other side?

15Geometrical Optics

Two thin lenses are of same focal lengths \((f)\), but one is convex and the other one is concave. When they are placed in contact with each other, the equivalent focal length of the combination will be :

16Geometrical Optics

In the figure shown here, what is the equivalent focal length of the combination of lenses (Assume that all layers are thin) ?

17Geometrical Optics

Light travels a distance \(\mathrm{x}\) in time \(t_{1}\) in air and \(10 \mathrm{x}\) in time \(t_{2}\) in another denser medium. What is the critical angle for this medium?

18Geometrical Optics

An astronomical refracting telescope is being used by an observer to observe planets in normal adjustment. The focal lengths of the objective and eye piece used in the construction of the telescope are 20 m and 2 cm respectively. Consider t...

19Geometrical Optics

During a cloudy day, a primary and a secondary rainbow may be created, then the :

20Geometrical Optics

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

21Geometrical Optics

A light ray falls on a glass surface of refractive index \(\sqrt3\), at an angle 60\(^\circ\). The angle between the refracted and reflected rays would be

22Geometrical Optics

A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the lens is

23Geometrical Optics

A point object is placed at a distance of 60 cm from a convex lens of focal length 30 cm. If a plane mirror were put perpendicular to the principal axis of the lens and at a distance of 40 cm from it, the final image would be formed at a di...

24Geometrical Optics

A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since :

25Geometrical Optics

A convex lens 'A' of focal length 20 cm and a concave lens 'B' of focal length 5 cm are kept along the same axis with a distance 'd' between them. If a parallel beam of light falling on 'A' leaves 'B' as a parallel beam, then the distance '...

26Geometrical Optics

Find the value of the angle of emergence from the prism. Refractive index of the glass is \(\sqrt 3\)

27Geometrical Optics

The Brewster's angle ib for an interface should be :

28Geometrical Optics

A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally from the opposite surface. If the refractive index of the material of the prism is \(\mu\), then the angle of i...

29Geometrical Optics

In total internal reflection when the angle of incidence is equal to the critical angle for the pair of media in contact, what will be angle of refraction?

30Geometrical Optics

Pick the wrong answer in the context with rainbow.

31Geometrical Optics

Two similar thin equi-convex lenses, of focal length f each, are kept coaxially in contact with each other such that the focal length of the combination is F1. When the space between the two lenses is filled with glycerin (which has the sam...

32Geometrical Optics

An object is placed at a distance of 40 cm
from a concave mirror of focal length 15 cm.
If the object is displaced through a distance
of 20 cm towards the mirror, the displacement
of the image will be

33Geometrical Optics

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

34Geometrical Optics

The refractive index of the material of a prism
is \(\sqrt 2\) and the angle of the prism is 30°. 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...

35Geometrical Optics

A thin prism having refracting angle 10o is made of glass of refractive infex 1.42. This prism is combined with another thin prism of glass of refractive index 1.7. This combination producess dispersion without deviation. The refracting ang...

36Geometrical Optics

A beam of light from a source L is incident normally on a plane mirror fixed at a certain distance x from the source. The beam is reflected back as a spot on a scale placed just above the source L. When the mirror is rotated through a small...