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

What is the main cause of the shinning of diamond?

Question # 2

The interference fringes are of

Question # 3

If 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ

Question # 4

For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium

Question # 5

Turn table is the plateform over which we place

Question # 6

A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on

Question # 7

To get three images of a single object,one should have two plane mirrors at an angle of

Question # 8

How many types of the optical fibres are

Question # 9

The contrast in the fringes in an interference pattern depends upon

Question # 10

When interference of light takes place

Question # 11

For the sustained interference of light the necessary condition is that the two sources should

Question # 12

According to Huygen's principle, the new position of the wavefront after a time can be found by constructing a surface that touches all the

Question # 13

Huygen's wave theory of light cannot explain

Question # 14

X-rays interact with

Question # 15

Polaroids are used in

Question # 16

The conversion of electrical signals into light signals taken place due to

Question # 17

The cause of power loss in optic fibre is

Question # 18

The minimum number of lenses used in compound microscope is

Question # 19

A ray of light reflected from a dense medium under goes a phase change of:

Question # 20

The principle of Michelson's interferometers 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 magnification is negative for
A. Real image
B. Virtual image
C. Sometimes for real sometimes for real
D. Only for cancave lens
2 The optical fibre is covered for protection with
A. rubber jacket
B. plastic jacket
C. steel jacket
D. copper jacket
3 A ray of light passing from a rarer to a denser medium
A. Bends towards normal
B. Bends away from normal
C. Suffers no change in direction
D. None of these
4 According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a
A. Smooth and regular
B. Mirror
C. Thin film
D. None of these
5 The components of a fibre optic communication system is/are
A. At transmitter
B. An optical fibre
C. Receiver
D. All of these
6 All of the following statements are correct except
A. The total focal length of an astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can be increased by decreasing the focal length of the eyepiece.
7 Who proposed that light energy form a luminous source travels in space by means of wave motion?
A. Newton
B. Maxwell
C. Einstein
D. Huygen
8 A monochromatic source of light gives light of
A. one colour
B. two colours
C. four colours
D. seven colours
9 The diffraction is found to be prominent when the wavelength of light is
A. small as compared with the size of obstacle
B. large as compared with the size of obstacle
C. equal as compared with the size of obstacle
D. Very small as compared with the size of the obstacle
10 Who attempted to measure the speed of light
A. Gallileo
B. Michelson
C. Newton
D. None of these

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