Given below are two statements: 

Assertion (A): A beam of white light passing through a thin hollow prism does not give spectrum.
Reason (R): The speed of light inside and outside the prism is same.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Prisms |
 57%
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Given below are two statements: 

Assertion (A): When white light is incident on a prism it will disperse.
Reason (R): The refractive index of a medium depends on the wavelength of light.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Prisms |
 60%
From NCERT
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A compound microscope has an objective lens with a focal length of \(1.5~\text{cm}\) and an eyepiece of focal length \(5~\text{cm}\). It is focussed on an object which is at a distance of \(1.8~\text{cm}\). The length of the microscope for normal adjustment is: 
1. \(14~\text{cm}\)
2. \(2~\text{cm}\)
3. \(19~\text{cm}\)
4. \(9.5~\text{cm}\)

Subtopic:  Simple & Compound Microscope |
 69%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

When a ray of light falls on a given plate at an angle of incidence \(60^{\circ}\), the reflected and refracted rays are found to be normal to each other. The refractive index of the material of the plate is:

1. \(\frac{\sqrt{3}}{2} \) 2. \(1.5 \)
3. \(1.732 \) 4. \( 2\)
Subtopic:  Refraction at Plane Surface |
 76%
From NCERT
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Assertion: The focal length of a convex mirror is always takes as positive.

Reason: A real image of a real object cannot be obtained with a convex mirror.

(1) Both Assertion and Reason are true and the reason is the correct explanation of the assertion.

(2) Both Assertion and Reason are true but the reason is not the correct explanation of the assertion.

(3) Assertion is a true statement but Reason is false.

(4) Both Assertion and Reason are false statements.

Subtopic:  Reflection at Spherical Surface |
 60%
From NCERT
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A white beam of light can deviate without dispersion by

1.  using two suitable glass prisms placed in the same sense

2.  using two suitable glass prisms placed in the opposite sense 

3.  Using a suitable glass prism

4.  None of these

Subtopic:  Prisms |
 84%
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Assertion: The nature of the image of an object depends on the size of the mirror.

Reason: It is not possible to obtain a real image by a plane mirror.

(1) Both Assertion and Reason are true and the reason is the correct explanation of the assertion.

(2) Both Assertion and Reason are true but the reason is not the correct explanation of the assertion.

(3) Assertion is a true statement but Reason is false.

(4) Both Assertion and Reason are false statements.

Subtopic:  Reflection at Plane Surface |
 65%
From NCERT
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If total deviation produced by two plane mirrors is 300° then number of images formed of an object placed symmetrically is

1.  5

2.  11

3.  2

4.  7

Subtopic:  Reflection at Plane Surface |
 63%
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Assertion: A convex lens may be diverging.

Reason: The nature of a lens depends upon the refractive index of the lens and that of the surrounding medium.

(1) Both Assertion and Reason are true and the reason is the correct explanation of the assertion.

(2) Both Assertion and Reason are true but the reason is not the correct explanation of the assertion.

(3) Assertion is a true statement but Reason is false.

(4) Both Assertion and Reason are false statements.

Subtopic:  Lenses |
 78%
From NCERT
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A man runs towards a stationary plane mirror with a velocity 15 m/s. The magnitude of the velocity of the man relative to his image is

1.  15 m/s

2.  30 m/s

3.  45 m/s

4.  Zero

Subtopic:  Reflection at Plane Surface |
 74%
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