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

The spacing between the parallel lines are served as

Question # 2

For destructive interference the path difference is give by:

Question # 3

If red light is incident on sea water it appears

Question # 4

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

Question # 5

Who gave the corpuscular nature of light

Question # 6

When the light from two lamps falls on a screen, no interference pattern can be obtained. Why is this?

Question # 7

Light waves are:

Question # 8

The light source in the transmitter can be

Question # 9

All possible process/processes to get plane polarized light

Question # 10

In Newton s rings the central spot appears dark due to

Question # 11

Which one of the following is an optically active substance?

Question # 12

Propagation of light in an optical fibre requires that the light should

Question # 13

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

Question # 14

The time taken by the mirror M to rotate through an angle 2π/8 is

Question # 15

Light is a type of energy which produces sensation of

Question # 16

Which phenomenon of light takes place in Young's double-slit experiment?

Question # 17

According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.

Question # 18

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 19

Multimode step index fibre has a core of relatively larger diameter such is

Question # 20

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

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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 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
2 Who attempted to measure the speed of light
A. Gallileo
B. Michelson
C. Newton
D. None of these
3 Newton's rings are formed as a result of
A. diffraction of light
B. dispersion of light
C. interference of light
D. polarization of light
4 Which Phenomenon proves that nature of light is transverse
A. Interference
B. Diffraction
C. Scattering
D. None
5 A spherical wavefront is that which has
A. A source
B. A point source
C. An extended source
D. None of these
6 Calculate the critical angle when core refractive index is 1.50 and cladding of refractive index 1.48
A. 70.3o
B. 80.9o
C. 80.6o
D. 89.6o
7 If the light travels in a straight line, the central region should appear
A. Bright
B. Dark
C. No effect
D. None of these
8 Resolving power of a telescope depends on:
A. The magnification of eyepiece
B. The focal length of objective lens
C. Diameter of objective lens
D. Refractive index of objective lens
9 The components of a fibre optic communication system is/are
A. At transmitter
B. An optical fibre
C. Receiver
D. All of these
10 To increase the magnification of a telescope
A. The objective lens should be of large focal length and eyepiece should be of short focal length
B. The objective and eyepiece both should be of large focal lengths
C. Both the objective and eyepiece should be of smaller lengths
D. The objective should be small focal length and eyepiece should be of large focal length

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