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

A circular scale is attached and graduated in

Question # 2

We can observe only when the grating spacing is

Question # 3

The fringe spacing in case of blue light

Question # 4

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 5

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 6

X-ray diffraction has been very useful in determining structure of

Question # 7

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

Question # 8

 In the phenomenon of interference, the bright and dark fringes are of

Question # 9

A simple telescope is consists of

Question # 10

The cause of power loss in optic fibre is

Question # 11

Two sources are said to be coherent if they have:

Question # 12

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

Question # 13

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

Question # 14

Angle subtended by any side of the eight-sided mirror at the center is

Question # 15

As the object is brought from a far off point to he focus, the magnification goes on

Question # 16

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

Question # 17

In an interference fringes pattern the fringes are

Question # 18

Which device converts the light signals which these amplified and decoded

Question # 19

In Michelsion's interferometer, if 'm' number of fringes are passed in front of a reference point when the moveable mirror is moved a distance L, then

Question # 20

When the object is closer to eye or near point, the image becomes

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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 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
2 The position of a new wavefront after a certain interval of time can be found by constructing a surface that is
A. A tangent
B. A tangent envelope
C. Curved surface
D. None of these
3 The phenomenon of blending of around edges of an obstacle is called:
A. Interfarance
B. Defraction
C. Polorisation
D. None of above
4 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
5 If Young s double slit experiment is immersed in water then the fringes with
A. Decreases
B. Remains unchanged
C. Becomes infinite
D. Increases
6 In digital modulation, the LED or laser flashed on and off at a
A. Fast rate
B. Very fast rate
C. Extremely fast rate
D. None of these
7 All of the following statements are correct except
A. The total focal length of an astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can be increased by decreasing the focal length of the eyepiece.
8 Which one of the following can act approximately as a source of monochromatic light:
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. None of these
9 A fibre optic communication system consists of
A. one major component
B. two major components
C. three major components
D. four major components
10 The different parts of spectrometer
A. Collimator
B. Turn table
C. Telescope
D. All of these

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