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

In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then

Question # 2

In order to get interference using two light rays:

Question # 3

Which part of the spectrum is most visible?

Question # 4

The points on a Huygen's wave front which sends out secondary wavelets are also

Question # 5

The disadvantage of the step-index fibre can be reduced by

Question # 6

Huygen's principle is used to study the

Question # 7

In order to observe interference , the interfering beams must be

Question # 8

When the light waves of the same frequency and amplitude travelling in the same direction superimose each other , they give rise to

Question # 9

When interference of light takes place

Question # 10

Light waves produce interference when

Question # 11

When an image is placed at the focal length of the eye piece, the final image formed at

Question # 12

The speed of light in vacuum is 3 x 108 ms-1.Its speed in a medium of refractive index 1.5 will be

Question # 13

In Michelsion's interferometer, if a dark fringe is seen in the beginning, the next dark fringe will appear by moving the moveable mirror through a distance

Question # 14

In a simple microscope if the final image is located at infinity then its magnifying power is

Question # 15

The maximum size of an object as seen by the naked eye is obtained when it is placed of

Question # 16

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 17

Optical device used in spectrometer

Question # 18

What will be the colour of the sky as seen from the earth if there were no atmosphere ?

Question # 19

Spectrometer using diffraction grating can measure

Question # 20

Multimode step index fibre has a core of relatively larger diameter such 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 A usual way to obtain a plane wave is to place point source of light at the focus of a
A. concave lens
B. convex lens
C. both of them
D. either of them
2 Measurement of a standard metre in terms of the wavelength of red cadmium light is
A. 1,563,163.5
B. 1,553,363.5
C. 155,553.5
D. 1,553,163.5
3 If a source of light is moving away from stationary observer then frequency of light wave appears to change because of
A. Doppler's effect
B. Interference
C. Diffraction
D. None of the above
4 The study of atomic structures of crystals by X-rays was started in
A. 1890
B. 1905
C. 1914
D. 1944
5 Huygen's theory cannot explain:
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
6 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
7 Which of the following colors suffers maximum deviation in a prism?
A. Yellow
B. Blue
C. Green
D. Orange
8 Telescope is an optical device used for viewing
A. Near objects
B. Not far distance
C. Distant objects
D. b and c
9 X-rays interact with
A. solid crystal
B. atoms in the crystal
C. nuclei of atoms in the crystal
D. electrons of atoms in the crystal
10 The relation for the diffraction pattern, when it is minimum
A. d/2 sin θ = λ
B. sin θ = λ/2
C. d sin θ = λ
D. None of these

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