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

A ______ lens is used in the apparatus to get Newton,s rings

Question # 2

A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is

Question # 3

Spectrum of sun consists of

Question # 4

Which one of the following phenomenon cannot be explained by the wave theory of light ?

Question # 5

Light appears to travels in straight lines since

Question # 6

A simple telescope is consists of

Question # 7

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

Question # 8

If Young s double slit experiment is immersed in water then the fringes with

Question # 9

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 10

X-ray crystallography can be used to get what information about the structure of a compound?

Question # 11

Which is having minimum wavelength?

Question # 12

Albert A. Michelson devised interferometer is

Question # 13

The multi-mode step index optical fibre, the central core has

Question # 14

We can use Fibre optics system for

Question # 15

Phase change of 180° is equivalent to a path difference of

Question # 16

A single step index fibre can carry more than

Question # 17

A line normal to the wave front is called

Question # 18

The diffraction is found to be prominent when the wavelength of light is

Question # 19

Fraunhofer spectrum is a

Question # 20

A mode of propagation of light through optical fibre in which the light within the fibre 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 The medium in which speed of light is the same in all directions is called:
A. Homogeneous
B. Heterogeneous
C. Non-homogeneous
D. Free space
2 Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is
A. 4 x 10-10m
B. 2 x 10-10m
C. 0.2 x 10-10m
D. 20 x 10-10m
3 Michelson's interferometer is an instrument used to measure the distance with
A. Precision
B. High precision
C. Extremely high precision
D. None of these
4 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
5 X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of
A. 10-8 m
B. 10-9 m
C. 10-10 m
D. 10-12 m
6 The wave nature of light was proposed by:
A. Newton
B. Thomas Young
C. Huygen
D. None of these
7 Which of the following is an optically active material
A. Solution of cane sugar
B. Liquid nitrogen
C. Mercury
D. Polaroid
8 The transmission of information by light waves may be
A. An audio signal
B. A television signal
C. A computer data signals
D. All of them
9 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
10 A polaroid is:
A. An adjustable shutter
B. A device used to analyze polarized light
C. A device used in polarimeter
D. A light filter

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