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

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

Question # 2

The light source in the transmitter can be either

Question # 3

The light source used in multimode step index fibre is

Question # 4

How many phone calls can be carried by single mode step index fibre

Question # 5

In Michelson's interferometer , the plates are placed in front of incident ray at an angle of:

Question # 6

We can achieve polarization by

Question # 7

In case of a point source, the shape of the wavefront is

Question # 8

Optical device used in spectrometer

Question # 9

X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of

Question # 10

Ultra-violet rays differ from X-rays in that ultra - violet rays

Question # 11

Signal from a remote control to the device operated by it travels with the speed of:

Question # 12

Star twinkle due to

Question # 13

Bending of light around sharp edges is known as

Question # 14

In a diffraction fringes pattern the fringes are

Question # 15

Which optical fibre is used for shorter distances only?

Question # 16

The magnifying power of a compound microscope can be increased if we use objective lens of

Question # 17

Electromagnetic waves transport:

Question # 18

There will be no change in _______ of light entering glass

Question # 19

In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice

Question # 20

Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?

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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 The distance between the two mirrors can be varied by
A. Moving glass plate
B. Movable mirror
C. Compensator plate
D. None of these
2 The property of light which makes light possible to be transmitted into inaccessible place is
A. Interference
B. Diffraction
C. Polarization
D. None of these
3 Which of the following colors will have minimum critical angle when light passes from glass to air
A. Red
B. Blue
C. yellow
D. Orange
4 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
5 The appearance of colours in the shape (or oil) film results from:
A. Dispersion
B. Interference
C. Reflection
D. Refraction
6 Such a surface on which all the points have the same phase of vibration is known as
A. wavefront
B. amplitude
C. displacement
D. all of them
7 When the source of light is at very large distance, the shape of wavefront is:
A. Spherical
B. Cylindrical
C. Plane
D. None of these
8 Angle subtended by any side of the eight-sided mirror at the center is
A. π/8
B. π/4
C. 2π/8
D. 2π/4
9 In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be:
A. 0.5 cm
B. 0.5 mm
C. 0.5 nm
D. 0.5 m
10 The ability of an instrument of reveal the minor details of an object under examination is called
A. Resolution
B. Magnification
C. Resolving power
D. Dispersion

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