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

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that

Question # 2

Which mode can carry more than 14 TV channels or 14000 phone cells?

Question # 3

The practical use of services by optic fiber is

Question # 4

The resolving power of human eye is

Question # 5

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

Question # 6

The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is

Question # 7

Colour of thin film will not show result from

Question # 8

The image of an object 5 mm length is only 1 cm high. The magnification of the lens is

Question # 9

If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective

Question # 10

The distance between the top adjacent slits on diffraction grating is called

Question # 11

The wave nature of light was proposed by:

Question # 12

Critical angle of light passing from glass to air is minimum for

Question # 13

The ultra-purity of optical fibre is

Question # 14

A ray of light reflected from a dense medium under goes a phase change of:

Question # 15

A prism splits a beam of white light into seven component colors. This is so because

Question # 16

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

Question # 17

A shortsighted person can see clearly

Question # 18

In YDS experiment, at the center of screen is formed a:

Question # 19

Fraunhofer spectrum is a

Question # 20

Optical fibres are of

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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 In case of interference fringes:
A. Energy is destroyed at dark
B. Energy is created at bright fringes
C. Energy is transferred from dark to bright ringes
D. None of these
2 In a never system, the repeaters are placed at about
A. 50 km
B. 75 km
C. 100 km
D. 125 km
3 The Plano-convex lens used in the Newton's rings are of focal length
A. Small
B. Long
C. Very large
D. None of these
4 A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called
A. Step index fibre
B. Multimode step index fibre
C. Multimode graded index
D. None of these
5 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
6 Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?
A. single mode step index fibre
B. multi-mode step index fibre
C. multi-mode graded index fibre
D. none of them
7 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct
8 A polaroid is:
A. An adjustable shutter
B. A device used to analyze polarized light
C. A device used in polarimeter
D. A light filter
9 To get high resolving power for a telescope one should use
A. Objective of large aperture
B. Objective of large focal length
C. Eye piece of large focal length
D. Eye piece of small focal length
10 How many major components of fibre optic communication system are
A. 4
B. 5
C. 3
D. 2

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