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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

When the object lies between F and 2F the image formed by a convex lens is

Question # 2

A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is

Question # 3

Given that grating element = 0.2 x 10-3cm in case of a diffraction grating. Then number of lines per centimeter will be

Question # 4

If light of low wavelength is used in Young's double slit experiment then width of the fine will

Question # 5

The disadvantage of the step-index fibre can be reduced by

Question # 6

The spacing between the parallel lines are served as

Question # 7

The diffraction grating is used to measure

Question # 8

Multi-mode step index fibre index fibre is used to send

Question # 9

The light signals are sent from the source

Question # 10

The interference fringes are of

Question # 11

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 12

Power loss taken place when a light signal travels along fibres by

Question # 13

Rainbow is formed due to combination of

Question # 14

All of the following statements are correct except

Question # 15

A fibre optic communication system consists of

Question # 16

Fraunhofer spectrum is a

Question # 17

Which one of the following waves cannot be polarized

Question # 18

Which one of the following is nearly monochromatic

Question # 19

The wavefront formed at very large distance from the source is:

Question # 20

Angular magnification of a simple microscope is given as

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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 property of bending of light around obstacies is called
A. interference
B. reflection
C. diffraction
D. polarization
2 In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are
A. 4
B. 8
C. 16
D. 32
3 In single slit diffraction the condition for second minimum is
A. Sinθ = λ
B. d Sinθ =2λ
C. d Sinθ =3λ
D. d Cosθ =0
4 A polarizer is used to
A. Reduced intensity of light
B. Produce polarized light
C. Increase intensity of light
D. Produce unpolarised light
5 The least distance of distinct vision changes with
A. Time
B. Health
C. illness
D. Age
6 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
7 Critical angle of light passing from glass to air is minimum for
A. Red
B. Green
C. Yellow
D. Violet
8 Propagation of light in an optical fiber requires that light should be
A. Refracted from air to fiber
B. Continuously refraction
C. Totally reflected within the fiber
D. Both B and C
9 Which light travels faster in optical fibres?
A. visible light
B. ultraviolet
C. infra-red
D. any one of them
10 A monochromatic source of light gives light of
A. one colour
B. two colours
C. four colours
D. seven colours

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