Two plane mirrors should be placed at what angle so that the incident ray and final reflected ray are antiparallel?

1. 90°

2. 60°

3. 45°

4. 30°

Subtopic:  Reflection at Plane Surface |
 73%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The field of view is maximum for

(1) Concave mirror

(2) Convex mirror

(3) Plane mirror

(4) Parabolic concave mirror

Subtopic:  Reflection at Spherical Surface |
 79%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

An object is placed in front of a concave mirror. The distance of the object from the focus is 10 cm and the distance of the image from the focus is 40 cm, then the focal length mirror is :

1. 20 cm

2. 10 cm

3. 40 cm

4. 30 cm

Subtopic:  Reflection at Spherical Surface |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A fish at a depth y inside the water is seeing a bird. The bird is at a height x above the water level. Refractive index of water is μ, then the apparent distance of the bird as seen by the fish is :

(1) x+μy

(2) y+μx

(3) x+yμ

(4) y+xμ

Subtopic:  Refraction at Plane Surface |
 63%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A jar of height H is half-filled with a liquid of refractive index μ1 and the remaining half with a liquid of refractive index μ2. The apparent depth of a coin placed at the bottom of the jar when seen from the vertically upward direction is:

1. μ1μ2(μ1+μ2).H

2. μ1+μ2μ1μ2.H

3. μ1+μ22μ1μ2.H

4. μ1+μ22.H

Subtopic:  Refraction at Plane Surface |
 66%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If the critical angle for a liquid A is 60° and critical angle for the liquid B is 45°, then the critical angle for a ray traveling from A to B will be:

1. Less than 45°

2. More than 60°

3. Between 45° and 60°

4. Does not exist

Subtopic:  Total Internal Reflection |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A convex lens made of 5 different transparent materials is used to make an image of an object placed in front of it. The number of images formed will be :

(1) 2 

(2) 3

(3) 4

(4) 5

Subtopic:  Refraction at Curved Surface |
 70%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If the plane surface of a planoconvex lens is silvered, then it will behave as :

(1) Converging mirror

(2) Diverging mirror

(3) Plane mirror

(4) May behave as (1) or (2)

Subtopic:  Reflection at Spherical Surface |
 52%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Chromatic aberration of a lens can be corrected by

(1) Reducing its aperture

(2) Proper polishing of its surfaces

(3) Suitable combining it with another lens

(4) Providing different suitable curvature to its surfaces

Subtopic:  Lenses |
 57%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A small air bubble is at the centre of a glass sphere of radii 5 cm. When it is viewed from outside what will be the position of the image?

Refractive index of glass is 1.5

(1) At the same place as that of object

(2) 103 cm from the surface near the eye

(3) 7.5 cm from the surface of the sphere near the eye

(4) At infinity

Subtopic:  Refraction at Curved Surface |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh