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

The property of bending of light around the obstacle is known is

Question # 2

When the light from two lamps falls on a screen, no interference pattern can be obtained. Why is this?

Question # 3

The diffraction grating is used to measure

Question # 4

To wavelength of light by his experiment , Newton utilized:

Question # 5

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

Question # 6

The wave nature of light was first proposed by

Question # 7

The information carrying capacity in an optical fibre is called

Question # 8

The waves propagate in space by the motion of the

Question # 9

We can observe only when the grating spacing is

Question # 10

Which of the following converts electrical signals into light signals?

Question # 11

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 12

The property of bending of light around obstacies is called

Question # 13

The multi-mode step index optical fibre, the central core has

Question # 14

We can divide the optical fibres on the basis of the mode by which they propagate light in

Question # 15

Newton's rings are:

Question # 16

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

Question # 17

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

Question # 18

At the point of contact of the lens and the glass plate, the Newton's ring is

Question # 19

Sunset makes sky appears reddish because of:

Question # 20

In compound microscope image formed is

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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 For which color of light the refractive index of glass is larger
A. Red
B. Green
C. Blue
D. Violet
2 Monochromatic light means waves of:
A. Same frequency
B. Same colour
C. Same wavelength
D. All of them
3 If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
4 Near and far points of a healthy human eye respectively are
A. 0 and 25 cm
B. 0 and infinity
C. 25 cm and 100 cm
D. 25 cm and infinity
5 In Michelson's interferometer , the plates are placed in front of incident ray at an angle of:
A. 45o
B. 60o
C. 90o
D. 120o
6 The magnifying power of an instrument is expressed in
A. Radians
B. Degrees
C. No units
D. None of these
7 For a point source of light the wave front produced are
A. Circular
B. Spherical
C. Cylinrical
D. None
8 If the plane polarized light is incident on the second sheet of Polaroid, no light is emitted when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
9 At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2
A. 50 m
B. 10 m
C. 5 m
D. 1 m
10 To observe diffraction phenomenon the size of a obstacle
A. Should be much larger than the wavelength
B. Should be of the same order as the wavelength
C. Have no relation of wavelength
D. Should be exactly λ/2

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