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

When two lights waves travelling in the same direction are in phase at any point, they producing

Question # 2

Cladding in an optical fiber is used to

Question # 3

Frequency of red colour as compared to that of violet colour is:

Question # 4

The diameter of an optical fibre with its protective case may be typically

Question # 5

According to Huygen's principle, every point of a wavefront may be considered as a source of

Question # 6

Characteristics of optic fibre is/are

Question # 7

Spectrometer using diffraction grating can measure

Question # 8

The fringe spacing in case of blue light

Question # 9

The image of an object 5 mm length is only 1 cm high. The magnification of the lens is

Question # 10

Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces

Question # 11

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 # 12

With tremendous information carrying capacity is called

Question # 13

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

Question # 14

Michelesion's interferometer is an instrument usually used to measure

Question # 15

The light which has components in all directions is called

Question # 16

The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope

Question # 17

Refractive index of material depends upon

Question # 18

Which of the following types of optical fibre has a core which rages in diameter from 50 to 1000μm?

Question # 19

In case of a point source, the shape of the wavefront is

Question # 20

The function of compensator plate in interferometer is to

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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 Newton's rings are formed due to
A. Refraction of light
B. Diffraction of light
C. Interference of light
D. None of these
2 In Young s experiment the distance between two adjacent fringes for blue light is than that for green light
A. Lesser
B. Greater
C. Equal
D. Lesser if distance between source and screen is large
3 The phenomenon of diffraction also contains the phenomenon of
A. Polarization
B. Interference
C. Dispersion
D. None of these
4 In case of diffraction grating, unit of grating element is:
A. Centimeter
B. Kilometer
C. As that of g
D. as that of angle
5 Basic principle of an optical fibre is
A. Reflection
B. Scattering
C. Polarization
D. Total internal reflection
6 A convex ens acts as diverging lens when the object is placed
A. Between F and 2F
B. At 2F
C. Within the focal length
D. Beyond 2F
7 An optical fiber carries data in the form
A. Lights signals
B. Sound signals
C. A wave
D. A particle
8 In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?
A. Single mode step index
B. multimode step index
C. multimode graded index
D. all of them
9 The function of colimator is
A. To converge the incoming rays
B. To make the parallel rays from source
C. In which the source of light is kept
D. None of these
10 For incident angles equal or greater than the critical angle the glass air boundary will act as a
A. Convex mirror
B. Concave mirror
C. Mirror
D. None if them

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