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

A simple telescope is consists of

Question # 2

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

Question # 3

When a plane polarized light is passed through certain crystals they

Question # 4

For constructive interference path difference should be

Question # 5

In YDS experiment, the condition for constructive interference of two coherent waves is that the path difference should be

Question # 6

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

Question # 7

The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be

Question # 8

Which of the following light move faster in water

Question # 9

Which of the following converts electrical signals into light signals?

Question # 10

For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium

Question # 11

The cause of power loss in optic fibre is

Question # 12

The wave propagates in space by the motion of the

Question # 13

In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?

Question # 14

Which one of the following can act approximately as a source of monochromatic light

Question # 15

Which of the following theories of light are explained by the Young's double slit experiment?

Question # 16

Consider telecommunication through optical fibers.Which of the following statements is not true?

Question # 17

A simple astronomical telescope consists of

Question # 18

The distance between the objective and eye-piece of a telescope in normal adjustment is

Question # 19

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 20

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

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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 Using a graded index fibres the time difference is reduced to about
A. 0.5 ns per km
B. 1.0 ns per km
C. 2.0 ns per km
D. 2.3 ns per km
2 When light passes through a tourmaline crystal, it becomes
A. plane polarized
B. directly polarized
C. un-polarized
D. spherically polarized
3 The sky appears blue because
A. Red light is absorbed
B. Blue light is scattered the most
C. Blue light is absorbed
D. It is its natural color
4 Cladding in an optical fiber is used to
A. Absorb unneccessary light
B. Produce total internal reflection
C. Transmit light
D. Filter light
5 An object is placed at a distance of f/2 from a convex lens.The Image will be
A. At one of the foci,virtual and double its size
B. At,3/f real and inverted
C. At 2f,virtual and erect
D. At f,real and inverted
6 If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is
A. 200
B. 240
C. 260
D. 280
7 In newton's rings see through the reflected light, centeral spo is:
A. Bright
B. Dark
C. Either of the Two
D. None of these
8 Fiber optics also used to transmit light
A. Around corners
B. Into inaccessible place
C. Formerly unobservable objects
D. All of these
9 Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces
A. images
B. bright images
C. interference
D. glare
10 The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be
A. 1.6 x 104
B. 3 x 103
C. 2 x 106
D. 4 x 108

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