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

Huygen principle is used to determine:

Question # 2

The least distance of distinct vision changes with

Question # 3

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 4

The splitting of white light into several colors on passing through a glass prism is due to

Question # 5

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

Question # 6

If the two reflected waves reinforce each other then the firm as seen from the parallel beam of monochromic light will look

Question # 7

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

Question # 8

The medium in which speed of light is the same in all directions is called

Question # 9

Sun has elliptical shape when it rises and sets due to

Question # 10

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 11

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 12

The regular array of atoms in a crystal has spacing of the order of

Question # 13

Two light sources obtained from single source are called

Question # 14

The property of light which makes light possible to be transmitted into inaccessible place is

Question # 15

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 16

Inverse square law for luminace is valid for

Question # 17

In case of destructive interference of two waves, the amplitude of the resultant wave will be_______either of the waves:

Question # 18

Which one of the following waves cannot be polarized

Question # 19

Diffraction of X-ray by crystals show that

Question # 20

In Newton,s rings apparatus, we also use

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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 A completely transparent material will be invisible in vacuum when the refractive index n is
A. Unity
B. More than unity
C. Less than unity
D. Equal to 1.33
2 How many types of the optical fibres are
A. One
B. Two
C. Three
D. Four
3 The points on a Huygen's wave front which sends out secondary wavelets are also
A. Source
B. Source of secondary wavelets
C. Coherent sources of light
D. None of these
4 Laws of reflection and refraction can also be explained by:
A. Particle nature of light
B. Quantum nature of light
C. Wave nature of light
D. Complex nature of light
5 Who attempted to measure the speed of light
A. Gallileo
B. Michelson
C. Newton
D. None of these
6 The light signal in an optical fibre is totally confined due to the
A. total internal reflection
B. continuous refraction
C. both of them
D. either of them
7 The Plano-convex lens used in the Newton's rings are of focal length
A. Small
B. Long
C. Very large
D. None of these
8 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
9 The laser light used in an optical fiber system has a wavelength equal to
A. 3μm
B. 5μm
C. 1.3μm
D. 6μm
10 The typical wavelength of the signal which we sent in the optical fibre is
A. 1000 nm
B. 100 m
C. 1.3 mn
D. 1.3μm

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