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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The medium in which speed of light is the same in all directions is called:

Question # 2

The information received at the other end of a fibre can be inaccurate due to

Question # 3

The waves produced in a stretched string are called

Question # 4

A line normal to the wave front is called

Question # 5

In case of diffraction grating, unit of grating element is:

Question # 6

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 7

A circular scale is attached and graduated in

Question # 8

The light signal in an optical fibre is totally confined due to the

Question # 9

The wave propagates in space by the motion of the

Question # 10

The eye piece of a compound microscope acts as a

Question # 11

The velocity of light in vacuum can be changed by changing

Question # 12

If light of low wavelength is used in Young's double slit experiment then width of the fine will

Question # 13

Which property of waves proves that light is a transverse wave?

Question # 14

A sun rise or sun set the sun looks reddish because

Question # 15

If the distance of a surface from light source is doubled,then the luminance will become

Question # 16

If the path difference must be an integral multiple of wavelength

Question # 17

Such a surface on which all the points have the same phase of vibration is known as

Question # 18

If the wavelength of light used in Michelsion's interferometer is 400 nm and the moveable mirror only moved throughλ/4, then the length moved will be

Question # 19

Angle subtended by any side of the eight-sided mirror at the center is

Question # 20

Conditions for interference are that the two sources should be coherent and:

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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 wavelength of refractive wave in a denser medium is
A. Same as that of the incident wave
B. Become smaller than the incident
C. Becomes greater than the incident wave
D. None of these
2 Longitudinal waves do not exhibit
A. Refraction
B. Reflection
C. Diffraction
D. Polarization
3 When light signal travels along fibres, the power losses are mainly due to
A. scattering
B. absorption
C. both of them
D. either of them
4 How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper
A. The upper half of the image is cut off
B. The brightness of the image is reduce
C. The brightness of the image is increased
D. Lower half of the image is cut off
5 Which of the following is an optically active material
A. Solution of cane sugar
B. Liquid nitrogen
C. Mercury
D. Polaroid
6 According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.
A. Base
B. Source
C. Producer
D. Origin
7 Single mode step index fibre has feature/s like
A. Very thin core
B. 5 (μm) miameter
C. Relatively large cladding
D. All of these
8 Fire optics has ability to transmit
A. Thousand telephone conversation
B. Several television programs
C. Numerous data signals between stations
D. All of these
9 Optically active substance are those substance which
A. Produce polarization of polarized light
B. Rotate the plane of polarization of polarized light
C. Produce double refraction
D. Both a and b
10 Spectrum of sun consists of
A. Bright lines
B. Dark lines
C. Bright bands
D. Dark bands

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