MDCAT Physics Chapter 7 MCQ Test With Answer for (Light )

Many students feel anxious about how to prepare for the exam during the MDCAT preparation effectively. Solving MCQs is considered one of the best ways to analyze your preparation level before the commencement of the test. The students preparing for the MDCAT are informed that they can get the MCQs of chapter 7 of physics from this platform.

MCQ's Test For MDCAT Physics Chapter 7 Light Online Test

Try The MCQ's Test For MDCAT Physics Chapter 7 Light Online Test

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The function of colimator is

Question # 2

The image formed after objective lens of an astronomical telescope is

Question # 3

An optical fibre with its protective case may be typically

Question # 4

Sun has elliptical shape when it rises and sets due to

Question # 5

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 6

In YDS experiment, condition for constructive interference is that path difference is equal to

Question # 7

What is the main cause of the shinning of diamond?

Question # 8

In digital modulation, the LED or laser flashed on and off at a

Question # 9

The wavelength of X-rays is about

Question # 10

For glass-air boundary the critical angle θc is

Question # 11

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 12

In case of destructive interference of two waves, the amplitude of the resultant wave will be_______either of the waves:

Question # 13

The scattering of X-rays from atoms in a crystalline lattice gives rise to

Question # 14

When an image is placed at the focal length of the eye piece, the final image formed at

Question # 15

When the light waves of the same frequency and amplitude travelling in the same direction superimose each other , they give rise to

Question # 16

Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is

Question # 17

Optic fibers are related with

Question # 18

How the fringe spacing varies as the separation of the slits increases

Question # 19

The advantage/advantages of fiber optics than radio wave carriers

Question # 20

How is the interference pattern in Young's double slit experiment affected if the sodium light is replaced by red light of the same intensity

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The answers are also available here to facilitate the students' preparation. With continuous practice, the candidates will be able to get a good score on the entry test. So after preparing for the particular chapter, solve the MCQs and learn about your preparation. Spend maximum time to improve your weak areas and then ace the test with a good score. The students can also solve the other physics chapters' MCQs for better preparation.

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MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When light signal travels along fibres, the power losses are mainly due to
A. scattering
B. absorption
C. both of them
D. either of them
2 For glass-air boundary, the value of the critical angle is
A. 42°
B. 45°
C. 30°
D. 60°
3 When crest of one wave coincides with the trough of the other wave, it give rise to
A. dispersion
B. constructive interference
C. destructive interference
D. polarization
4 According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a
A. Smooth and regular
B. Mirror
C. Thin film
D. None of these
5 The diffraction grating is used to measure
A. wavelength of light
B. focal length of a lens
C. refractive index of prism
D. polarization of light
6 The light signals are sent from the source
A. A ordinary source
B. A monochromatic light source
C. A moulticolour source
D. None of these
7 The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object
A. Smaller
B. Larger
C. Very large
D. None of these
8  In the phenomenon of interference, the bright and dark fringes are of
A. Different width
B. Equal width
C. Dark fringes are thicker than bright
D. Nona of these
9 In Newton s rings the central spot appears dark due to
A. Phase change
B. Destructive interference
C. Small eye piece of optical device
D. Both a and b
10 Monochromatic light means waves of:
A. Same frequency
B. Same colour
C. Same wavelength
D. All of them

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