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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  • Time Allowed20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

An optical fiber carries data in the form

Question # 2

The unit of power of a lens is

Question # 3

How are X-rays diffracted by crystals in X-rays crystallography?

Question # 4

In Young's double slit experiment for the interference of light, the central region of the fringe system is

Question # 5

An optical fibre with its protective case may be typically

Question # 6

The components of a fibre optic communication system is/are

Question # 7

In YDS experiment using white light

Question # 8

Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward

Question # 9

The focal length of the lens of human eye

Question # 10

In normal adjustment, the length of the telescope is

Question # 11

The wave propagates in space by the motion of the

Question # 12

Light is a type of energy which produces sensation of

Question # 13

If a glass slab is placed in the path of a converging beam of light The point of convergence of light

Question # 14

The ratio of fringes with for bright and dark fringes is

Question # 15

The cause of mirage observed in deserts in bright sunlight is due to:

Question # 16

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

Question # 17

We can achieve polarization by

Question # 18

The relation for the diffraction pattern, when it is minimum

Question # 19

The total internal reflection takes place for glass-air boundary is then the angle is

Question # 20

If the bright fringe into be observed then we have relation

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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 Multimode step index fibre the refractive index from its centre to the boundary is
A. 1
B. 1.55
C. 1.52
D. 1.43
2 Speed of light in vacuum depends upon:
A. Frequency
B. Wavelength
C. Amplitude
D. None of above
3 Diffraction is concerned with the superposition of
A. very large number of secondary wavelets
B. a few secondary wavelets
C. two secondary wavelets
D. no secondary
4 In case of interference fringes:
A. Energy is destroyed at dark
B. Energy is created at bright fringes
C. Energy is transferred from dark to bright ringes
D. None of these
5 In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are
A. 4
B. 8
C. 16
D. 32
6 Which type of optical fiber has the largest diameter
A. Single mode step index fiber
B. Multi-mode step index fiber
C. Multi-mode graded index fiber
D. None of these
7 The resolving power of a grating spectrometer is
8 If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute
A. Plane wave fronts
B. Cylindrical wave fronts
C. Spherical wave fronts
D. All of above
9 The disadvantage of the step-index fibre can be reduced by
A. graded index fibre
B. non-graded index fibre
C. both of these
D. none of these
10 The contrast in the fringes in any interference pattern depends on
A. Frings width
B. Intensity ratio of the sources
C. Distance between the slits
D. Wavelength

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