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

The optical fibre is covered for protection with

Question # 2

A thin film is a transparent medium whose thickness is comparable with the wavelength of

Question # 3

The distance between the two adjacent slits is called

Question # 4

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

Question # 5

Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is

Question # 6

The wave propagates in space by the motion of the

Question # 7

If a source of light is moving away from stationary observer then frequency of light wave appears to change because of

Question # 8

The fringe spacing in case of blue light

Question # 9

Soap bubble looks colored due to

Question # 10

When a plane polarized light is passed through certain crystals they

Question # 11

The function of compensator plate in interferometer is to

Question # 12

Critical angle of light passing from glass to air is minimum for

Question # 13

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

Question # 14

If the angle of refraction is 90o, for which the angle of incidence is called

Question # 15

The path difference and phase difference are related to each other as

Question # 16

The most common method to obtain plane polarized light by using dichoric substance is:

Question # 17

For glass-air boundary the critical angle θc is

Question # 18

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 # 19

Single mode step index fibre has a very thin core of about diameter

Question # 20

The contrast in the fringes in any interference pattern depends on

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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 compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is
A. 2
B. 6
C. 8
D. None
2 The distance between the objective and eye-piece of a telescope in normal adjustment is
A. f/0-fe
B. f0+fe
C. 2fe-fe
D. None of these
3 In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves
A. Greater then
B. Smaller then
C. Equal to
D. None of these
4 The waves produced in a stretched string are called
A. Stationary waves
B. Mechanical waves
C. Transverse mechanical waves
D. None of these
5 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
6 In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice
A. Germanium
B. Selinium
C. Silicon
D. None of these
7 Who proposed wave theory of light
A. Huygens
B. Galileo
C. Einstein
D. Newton
8 The diffraction grating is used to determine
A. Intensity of light
B. Wavelength of light
C. Refractive index of prism
D. None of these
9 Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?
A. Light can be diffracted
B. Two coherent light waves can be made to interfere.
C. The intensity of light from a point source falls off inversely as the square of the distance from the source
D. Light can be polarized
10 In order to observe interference , the interfering beams must be
A. monochromatic
B. coherent
C. either of them
D. both of them

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