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

Laws of reflection and refraction can also be explained by:

Question # 2

In Michelsion's interferometer the path difference is varied by moving

Question # 3

Television signal are converted into light signals by

Question # 4

An oil film floating on water surface show colours due to

Question # 5

The advantage/advantages of fiber optics than radio wave carriers

Question # 6

Fringe spacing ΔY is the distance between two adjacent bring fringes on the screen is

Question # 7

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

Question # 8

The ultra-purity of optical fibre is

Question # 9

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Question # 10

Michelsion devised the Michelson's interferometer in

Question # 11

Michelson interferometer is based upon

Question # 12

The idea of Michelsion's interferometer is based on the

Question # 13

If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is

Question # 14

For interference to occur,the interfering beams of light must be

Question # 15

The limit of which a microscope can be used to resolve details of an object, demands

Question # 16

A diffraction grating has 500 liens per mm. its slit spacing or grating element will

Question # 17

Diffraction of X-ray by crystals show that

Question # 18

The dichronic substances are used in the process getting plane polarized light

Question # 19

When crest of one wave coincides with the trough of the other wave, it give rise to

Question # 20

The function of colimator is

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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 The appearance of colours in the shape (or oil) film results from:
A. Dispersion
B. Interference
C. Reflection
D. Refraction
2 The cause of power loss in optic fibre is
A. Absorption
B. Scattering
C. Dispersion
D. All
3 Who attempted to measure the speed of light
A. Gallileo
B. Michelson
C. Newton
D. None of these
4 The difference between 1st ring fringe and 1st dark fringe is measured as
A. λD/2d
B. λD/d
C. λD/4d
D. 2λD/d
5 The practical use of services by optic fiber is
A. Two way television
B. World processing
C. Image transmitting and receiving equipment
D. All of these
6 Characteristics of optic fibre is/are
A. Much thineer
B. Light weight
C. Extremely wide bandwidth
D. All of these
7 The magnification is negative for
A. Real image
B. Virtual image
C. Sometimes for real sometimes for real
D. Only for cancave lens
8 Multi-mode step index fibre index fibre is used to send
A. white light
B. green light
C. a strong monochromatic light
D. yellow light
9 A material having high refractive index has
A. Low density
B. High density
C. Zero density
D. None of these
10 Which of the following cannot be polarized?
A. x-rays
B. light rays
C. sound waves
D. ultraviolet rays

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