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

A prism splits a beam of white light into seven component colors. This is so because

Question # 2

Longitudinal waves do not exhibit

Question # 3

A ray of light always points

Question # 4

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

Question # 5

Which one of the following phenomenon cannot be explained by the wave theory of light ?

Question # 6

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 7

The wave nature of light was proposed by:

Question # 8

A pulse of light in the optical fibres represents the number

Question # 9

Michelsion devised the Michelson's interferometer in

Question # 10

Conditions for interference are that the two sources should be coherent and:

Question # 11

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

Question # 12

Phase change of 180° is equivalent to a path difference of

Question # 13

In single slit diffraction the condition for second minimum is

Question # 14

Who devise the experimental arrangement in 1801 for studying interference effects of light

Question # 15

To demonstrate the phenomenon of interference we require two sources that emit radiation

Question # 16

Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under

Question # 17

Two sources of light are said to be coherent when the waves produced by them have

Question # 18

Which Phenomenon proves that nature of light is transverse

Question # 19

The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in

Question # 20

Huygen's wave front which sends out secondary wavelets with a speed equal 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 In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is
A. λ/2
B. λ
C. 2λ
D. None
2 The limit of which a microscope can be used to resolve details of an object, demands
A. Wider objective and light of short wavelength
B. Narrow objective and light of short wavelength
C. Narrow objective and light of longer wavelength
D. None of these
3 A fibre optic communication system consists of
A. one major component
B. two major components
C. three major components
D. four major components
4 Diffraction effect is
A. More for a round edge
B. More for a sharp edge
C. Less for a sharp edge
D. None of these
5 Which does not show polarization
A. Longitudinal wave in gas
B. Transverse wave in gas
C. Both a and b
D. None of these
6 The ability of an instrument of reveal the minor details of an object under examination is called
A. Resolution
B. Magnification
C. Resolving power
D. Dispersion
7 Optic fibers are related with
A. Communication
B. Light
C. Computer
D. None of these
8 A tourmaline crystal is being used as an analyzer In one complete rotation of the crystal the number of excitation will be
A. 0
B. 1
C. 2
D. 4
9 According to Young s experiment if frequency of light used is halved then fringe width becomes
A. 2/3
B. Double
C. Remains constant
D. Fringe
10 When a ray of light enters a denser medium from a rarer medium,its:
A. Wavelength increases
B. Velocity increases
C. Frequency decreases
D. Wavelength decreases

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