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

In YDS experiment, at the center of screen is formed a:

Question # 2

Huygen's wave front which sends out secondary wavelets with a speed equal to

Question # 3

Inverse square law for luminance is valid for

Question # 4

Spectrum of sun consists of

Question # 5

Newton's rings are formed due to:

Question # 6

Multimode step index fibre has diameter as

Question # 7

Which of the following light move faster in water

Question # 8

In case of interference fringes:

Question # 9

Identify the incorrect statement

Question # 10

Which of the following types of optical fibre has a core which rages in diameter from 50 to 1000μm?

Question # 11

Two light sources obtained from single source are called

Question # 12

Characteristics of optic fibre is/are

Question # 13

Focal length of convex lens is maximum for

Question # 14

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

Question # 15

When two lights waves travelling in the same direction are in phase at any point, they producing

Question # 16

The diffraction grating is used to measure

Question # 17

For destructive interference the path difference is give by:

Question # 18

The components of a fibre optic communication system is/are

Question # 19

Which one of the following is an optically active substance?

Question # 20

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

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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 plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
2 The magnification is negative for
A. Real image
B. Virtual image
C. Sometimes for real sometimes for real
D. Only for cancave lens
3 The time taken by light for its passage from M to m and back is
A. 2c/d
B. d/2c
C. 2d/c
D. d2/2c
4 X-ray diffraction has been very useful in determining structure of
A. Hemoglobin
B. Double helix structure of DNA
C. Blood speed
D. a and b
5 Why laser rays are used to measure long distance?
A. Laser rays propagate in a straight
B. Laser rays are not absorbed
C. Laser rays are most coherent waves
D. Laser rays are high velocity waves
6 When a ray of light goes from a denser medium into a rare medium
A. The wavelength of light is decreased
B. The frequency of light increased
C. The speed of light is increased
D. The light undergoes a phase change of π
7 The image formed by an eyepiece of compound microscope is
A. Real and diminished
B. Real and enlarged
C. Virtual and enlarged
D. Virtual and diminished
8 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
9 In case of YDS experiment, the distance of the mth bright fringe on the screen from center is
A. Y = (m + 1)λL/d
B. Y = mλL/d
C. Y = (m + 1/2)λL/d
D. None of these
10 Two lenses of power +12 and -2 diopters are placed in contact the power of combination is
A. 10 diopters
B. 8 diopters
C. 6 diopters
D. 12 diopters

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