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

Mirage is a phenomenon due to

Question # 2

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

Question # 3

Resolving power of a telescope depends on:

Question # 4

The function of colimator is

Question # 5

The magnifying power of an instrument is expressed in

Question # 6

We can achieve polarization by

Question # 7

A compound microscope is consists of

Question # 8

2 d sin θ = nλ can be used to determine the

Question # 9

The plane of polarization is rotated many degrees when a thickness of such crystal is

Question # 10

One cannot see through fog because

Question # 11

Diffraction effect is

Question # 12

The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

Question # 13

Fiber optics also used to transmit light

Question # 14

Characteristics of optic fibre is/are

Question # 15

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

Question # 16

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

Question # 17

When sunlight falls on a soap bubble (film), it appears coloured because of

Question # 18

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 19

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

Question # 20

An optical fiber carries data in the form

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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 We can divide the optical fibres on the basis of the mode by which they propagate light in
A. two types
B. three types
C. four types
D. many types
2 If a glass slab is placed in the path of a converging beam of light The point of convergence of light
A. Moves away from the glass slab
B. Moves towards the glass slab
C. Remains at the same point
D. Moves straight
3 The light source in the transmitter can be either
A. Light emitting diode
B. Semiconductor laser
C. Light emitting in an invisible infra red
D. All of these
4 In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:
A. Bright
B. Dark
C. Any of A or B
D. None of these
5 Light waves are:
A. Mechanical waves
B. Electromagnetic waves
C. All of above
D. None of above
6 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
7 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
8 If the vibrations of the light wave are confined to one plane only, then this light is called
A. unpolarized ligth
B. polarized light
C. sunlight
D. none of them
9 While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that
A. Housefly will be seen enlarged in image
B. Housefly will be seen reduced in image
C. Intensity of image will be decreased
D. Intensity of image will be increased
10 For interference to occur, the light coming from the two slits should
A. be monochromatic
B. come from the same source
C. have a constant path difference
D. all of them

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