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

Which of the following is an optically active material

Question # 2

The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically

Question # 3

A typical diffraction grating has lines per centimeter is about

Question # 4

Which of the following colors suffers maximum deviation in a prism?

Question # 5

Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called

Question # 6

Commercial polarizing material is

Question # 7

A diffraction grating contains 5000 lines per centimeter, its grating element will be

Question # 8

In the formulaαamino = 1.22λ/D, D denotes

Question # 9

Propagation of light in an optical fiber requires that light should be

Question # 10

The least distance of he distinct vision is

Question # 11

Diffraction of X-ray by crystals show that

Question # 12

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 13

The total internal reflection takes place for glass-air boundary is then the angle is

Question # 14

Which of the following properties show light is transverse wave in nature?

Question # 15

Why laser rays are used to measure long distance?

Question # 16

Light has:

Question # 17

The disadvantage of the step-index fibre can be reduced by

Question # 18

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Question # 19

Which one of the following phenomenon cannot be explained on the bases of Huygen's theory?

Question # 20

In electromagnetic waves electric and magnetic field ar

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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 function of colimator is
A. To converge the incoming rays
B. To make the parallel rays from source
C. In which the source of light is kept
D. None of these
2 Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?
A. microwave
B. infrared
C. ultraviolet
D. X-ray
3 The property of light which does not change with the nature of the medium is:
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
4 Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?
A. 1/2
B. 2/3
C. 3/2
D. 2/1
5 Who devise the experimental arrangement in 1801 for studying interference effects of light
A. Huygen
B. Young
C. Newton
D. None of these
6 Optical fibres are of
A. Five type
B. Two type
C. Three type
D. None of these
7 The twinkling of stars is due to
A. The fact that stars do not emit light continususly
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
8 Which part of the spectrum is most visible?
A. Red
B. Violet
C. Yellow
D. Yellow-green
9 A prism splits a beam of white light into seven component colors. This is so because
A. Phase of different colors is different
B. Amplitude of different colors is different
C. Energy of different colors is different
D. Velocity of different colors is different
10 A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33

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