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

How many phone calls can be carried by single mode step index fibre

Question # 2

We can divide the optical fibres on the basis of the mode by which they propagate light in

Question # 3

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 4

The focal length of the lens of human eye

Question # 5

The practical use of services by optic fiber is

Question # 6

The phase difference between two points on a wave front will be

Question # 7

The unit of power of a lens is

Question # 8

A point on the surface of the mirror where principle axis meets is called

Question # 9

Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under

Question # 10

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 11

The range of the diameter of core in multimode graded index fibre is

Question # 12

Two light sources obtained from single source are called

Question # 13

Can two lights of car can produce interference

Question # 14

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

Question # 15

Spectrometer using diffraction grating can measure

Question # 16

Characteristics of optic fibre is/are

Question # 17

All of the following statements are correct except

Question # 18

Which is having minimum wavelength?

Question # 19

A circular scale is attached and graduated in

Question # 20

One cannot see through fog because

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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 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
2 Who gave the idea of light as wave ?
A. Newton
B. Huygen
C. Thomos Young
D. Bragg
3 A plane wavefront is that which has source
A. Nearest
B. Distant
C. Near
D. None of these
4 The fringe spacing in case of red light
A. Increases
B. Decreases
C. Remains the same
D. None of these
5 When the object is closer to eye or near point, the image becomes
A. Sharp
B. Clear visible
C. Blurred
D. None of these
6 The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber
A. Decreases, multi-mode graded
B. Increases, single mode step
C. Either of A or B
D. Increases, multi-mode step
7 Fringe spacing in YDS experiment will be maximum if we use:
A. Red light
B. Green light
C. Violet light
D. Blue light
8 The light signal in graded index fibre is totally confined due to
A. Total inernal reflection
B. Continuous refraction
C. Both a and b
D. Dispersion
9 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
10 A sun rise or sun set the sun looks reddish because
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light

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