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

When the source of light is at very large distance, the shape of wavefront is:

Question # 2

In single slit diffraction the condition for second minimum is

Question # 3

In Young s double slit experiment if we use white light then

Question # 4

The cause of mirage observed in deserts in bright sunlight is due to:

Question # 5

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

Question # 6

In an optical fibre the speed of light is

Question # 7

The waves propagate in space by the motion of the

Question # 8

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

Question # 9

Spectrum of sun consists of

Question # 10

In the study of interference and diffraction, we consider

Question # 11

A circular scale is attached and graduated in

Question # 12

For which color of light the refractive index of glass is larger

Question # 13

The velocity of light in vacuum can be changed by changing

Question # 14

The optical fibre is covered for protection with

Question # 15

Which Phenomenon proves that nature of light is transverse

Question # 16

Ordinary light has components of vibrations in all possible planes. Such light is

Question # 17

The components of a fibre optic communication system is/are

Question # 18

Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?

Question # 19

A point source in a homogeneous medium gives rise to:

Question # 20

The time taken by light for its passage from M to m and back 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 All possible process/processes to get plane polarized light
A. Reflection from different surfaces
B. Refraction through crystals
C. Scattering by small particles
D. All of these
2 The magnifying power of a compound microscope can be increased if we use objective lens of
A. Large focal length
B. Small focal length
C. Same focal length
D. None of these
3 The spacing between lines of diffraction grating is
A. Opaque
B. Transparent
C. Semi-transparent
D. None of these
4 The central ring is bright in case of newton's ring produced by:
A. Reflected light
B. Transmitted light
C. Wedged film
D. None of above
5 The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object
A. Smaller
B. Larger
C. Very large
D. None of these
6 The principle of Michelson's interferometers is
A. Refraction
B. Dispersion
C. Interference
D. Reflection
7 The focal length of the lens of human eye
A. Is fixed
B. Varies from zero to infinity
C. Can be increased only
D. Can be decreased only
8 In Young's double slit experiment fringe width (or fringe spacing) depends
A. inversely on wavelength
B. directly on wavelength
C. directly on square of wavelength
D. inversely on square of wavelength
9 Which of the following gives three regions of the electromagnetic spectrum in order of increasing wavelength?
A. Gamma rays,microwaves,visible radiation
B. Ultraviolet infra-red microwaves
C. Radio waves ultraviolet X-rays
D. Visible radiation gamma rays radio waves
10 In Young's double slit experiment, the widths of dark and bright fringes are
A. different
B. equal
C. zero
D. variable

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