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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The splitting of white light into several colors on passing through a glass prism is due to

Question # 2

If the light travels in a straight line, the central region should appear

Question # 3

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 4

For a point source of light the wave front produced are

Question # 5

The re conversion of light signals into electrical signals takes place due to

Question # 6

Signal from a remote control to the device operated by it travels with the speed of:

Question # 7

The distance between the concentric wavefronts is

Question # 8

The fringe spacing in case of blue light

Question # 9

In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara

Question # 10

In thin film colours are due to

Question # 11

The limit of which a microscope can be used to resolve details of an object, demands

Question # 12

The waves propagate in space by the motion of the

Question # 13

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

Question # 14

The difference between 1st ring fringe and 1st dark fringe is measured as

Question # 15

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 16

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

Question # 17

The relation for the diffraction pattern, when it is minimum

Question # 18

If red light is incident on sea water it appears

Question # 19

The danger signals are red while the eye is more sensitive to yellow because

Question # 20

Which optical fibre is used for shorter distances only?

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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 In Michelson's interferometer , the plates are placed in front of incident ray at an angle of:
A. 45o
B. 60o
C. 90o
D. 120o
2 Maximum number of orders available with a grating is ______ grating element
A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Equal to
3 Star twinkle due to
A. The fact that they do not emit light continously
B. The refractive index of earth's atmosphere fluntuates
C. The star's atmosphere absorbs its light intermittently
D. None of these
4 Who gave the idea of light as wave ?
A. Newton
B. Huygen
C. Thomos Young
D. Bragg
5 Propagation of light in an optical fibre requires that the light should
A. be partially confined within the fibre
B. be totally confined within the fibre
C. not be confined within the table
D. none of them
6 The total internal reflection takes place for glass-air boundary is then the angle is
A. Equal to 41.8o
B. Greater than 41.8o
C. Less than 41.8o
D. None of these
7 A typical diffraction grating has lines per centimeter
A. 10 to 100
B. 100 to 1000
C. 1000 to 5000
D. 400 to 5000
8 When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are
A. straight
B. circular
C. square
D. plane
9 Optical fibres function on the principle of
A. reflection
B. refraction
C. total internal reflection
D. total internal refraction
10 The distance between the concentric wavefronts is
A. half wavelength
B. one wavelength
C. one and a half wavelength
D. none of them

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