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

The property of light which does not change with the nature of the medium is

Question # 2

In a astronomical telescope the final image for normal vision is formed at

Question # 3

If the angle of refraction is 90o, for which the angle of incidence is called

Question # 4

At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by

Question # 5

In a never system, the repeaters are placed at about

Question # 6

If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute

Question # 7

The length of a telescope is 36 cm.The focal lengths of its lenses can be

Question # 8

In the Young's double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled the fringe width is

Question # 9

The cause of power loss in optic fibre is

Question # 10

An object is placed between two parallel mirrors the number of images formed is

Question # 11

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

Question # 12

Experimental demonstration of wave nature of light was given in 1801 by

Question # 13

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

Question # 14

The study of atomic structures of crystals by X-rays was started in

Question # 15

Which of the following is not an application of polarization

Question # 16

Which of the following colors will have minimum critical angle when light passes from glass to air

Question # 17

Which of the following phenomenon cannot take place if we consider light as longitudinal wave?

Question # 18

Newton's rings are:

Question # 19

A compound microscopes consists of objective of

Question # 20

The practical use of services by optic fiber 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 In Young's double slit experiment, the widths of dark and bright fringes are
A. different
B. equal
C. zero
D. variable
2 The time taken by the mirror M to rotate through an angle 2π/8 is
A. 1/8 f
B. 1/16 f
C. 1/4 f
D. 1/2 f
3 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
4 Snell's Law is defined as
A. n1 sin θ2 = n2 sin θ
B. n sin θ1 = n1 sin θ2
C. n1 sin θ1 = n2 sin θ2
D. None of these
5 Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is
A. 5I
B. 9I
C. 16I
D. 25I
6 One angshom is equal to?
A. 10-8cm
B. 10-6m
C. 10-10nm
D. 10-8nm
7 Speed of light in vacuum is
A. 0 ms-1
B. 3 x 108ms-1
C. 1.5 x 108ms-1
D. None of these
8 The typical wavelength of light source in transmitter is
A. 1.1 μm
B. 1.2 μm
C. 1.3 μm
D. 1.4 μm
9 If a source of light is moving away from stationary observer then frequency of light wave appears to change because of
A. Doppler's effect
B. Interference
C. Diffraction
D. None of the above
10 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm

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