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

We can use Fibre optics system for

Question # 2

Wavelength of light, on the average, is given by:

Question # 3

Light appears to travel in straight line because

Question # 4

Diffraction is concerned with the superposition of

Question # 5

The wave length of x-rays is of the order of

Question # 6

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

Question # 7

For interference to occur the two light waves should be:

Question # 8

If the slits in YDS experiment are made closer, fringe spacing will

Question # 9

Single mode step index fibre is used to send

Question # 10

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 11

A compound microscope is consists of

Question # 12

Optic fibers are related with

Question # 13

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 14

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

Question # 15

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

Question # 16

Light appears to travels in straight lines since

Question # 17

Whenever high magnification is desired

Question # 18

Focal length of convex lens is maximum for

Question # 19

All of the following statements are correct except

Question # 20

The spacing between the parallel lines are served 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 Two sources of waves are called coherent if
A. Both have the same amplitude of vibrations
B. Both produce waves of the same wavelength
C. Both produce waves of the same wavelength having a constant phase difference
D. Both produce waves having the same velocity
2 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
3 For a point source of light the wave front produced are
A. Circular
B. Spherical
C. Cylinrical
D. None
4 In Young's double slit experiment fringe width (or fringe spacing) depends
A. inversely on wavelength
B. directly on wavelength
C. directly on square of wavelength
D. inversely on square of wavelength
5 The principle of Michelson's interferometers is
A. Refraction
B. Dispersion
C. Interference
D. Reflection
6 A usual way to obtain a plane wave is to place point source of light at the focus of a
A. concave lens
B. convex lens
C. both of them
D. either of them
7 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara
A. 2,2
B. 2,3
C. 3,2
D. 3,3
8 The fringe spacing in case of red light
A. Increases
B. Decreases
C. Remains the same
D. None of these
9 Newton's rings are formed due to:
A. Manetisation
B. Diffractin
C. Interference
D. Polarization
10 The speed of light in other material is always
A. Greater than c
B. Less than c
C. Equal to c
D. None of these

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