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

00:00
Question # 1

Michelson's interferometer is an instrument used to measure the distance with

Question # 2

Multimode step index fibre has diameter as

Question # 3

Soap bubble looks colored due to

Question # 4

Light waves are:

Question # 5

Electromagnetic waves transport:

Question # 6

An optical instrument used to see very far off objects is called

Question # 7

If the plane polarized light is incident on the second sheet of Polaroid, no light is emitted when their axes are

Question # 8

Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?

Question # 9

Spectrometer using diffraction grating can measure

Question # 10

The ratio of the diameter of two convex lenses is the ratio of their focal lengths

Question # 11

The absence of light in the optical fibres represents the number

Question # 12

To get high resolving power for a telescope one should use

Question # 13

In Young's double slit experiment, the fringe width depends on

Question # 14

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

Question # 15

Optical fibres function on the principle of

Question # 16

A pulse of light in the optical fibres represents the number

Question # 17

Newton's rings are:

Question # 18

Fraunhofer's lines commonly visible in the sun's spectrum are examples of

Question # 19

Which of the following colors suffers maximum deviation in a prism?

Question # 20

Photo phone was invented by

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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 setting of Newton's rings is
A. A Plano convex lens and the plane glass plate
B. A Plano convex lens and simple glass sheet
C. A Plano convex lens (long focal length) and the plane of glass plate
D. None of these
2 In Multimode step index fibre the refractive index from its centre to the boundary is
A. 1
B. 1.55
C. 1.52
D. 1.43
3 Multi-mode step index fibre index fibre is used to send
A. white light
B. green light
C. a strong monochromatic light
D. yellow light
4 Frequency of red colour as compared to that of violet colour is:
A. Equal
B. Smaller
C. Greater
D. None of these
5 A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity
A. 6
B. 5
C. 1.5
D. 7
6 Newton's rings are:
A. Rectangular
B. Spherical
C. Concentric circles
D. None of these
7 The re conversion of light signals into electrical signals takes place due to
A. Transmitter
B. Receiver
C. Generator
D. None of these
8 Conditions for interference are that the two sources should be coherent and
A. At a far off distance
B. Close together
C. Coinciding
D. None of these
9 In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width
A. Becomes doubled
B. Becomes 4 times
C. Is halved
D. Remains the same
10 The wave propagates in space by the motion of the
A. Particles
B. Wavefronts
C. Wavelength
D. None of these

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