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

The unpolarized light is

Question # 2

The study of atomic structures of crystals by X-rays was started in

Question # 3

When 'θ' is small then

Question # 4

The cause of mirage observed in desert is

Question # 5

In electromagnetic waves electric and magnetic field ar

Question # 6

A ray of light reflected from a dense medium under goes a phase change of:

Question # 7

The light source used in multimode step index fibre is

Question # 8

For constructive interference path difference should be

Question # 9

A normal to the waves front showing direction of propagating of wave is called

Question # 10

When one mirror of Michelson interferometer is moved a distance of 0.5 mm. 2000 fringes are observed, the wavelength of light used is

Question # 11

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 12

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 13

All possible process/processes to get plane polarized light

Question # 14

Least distance of distinct vision

Question # 15

The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

Question # 16

Spherical aberration can be reduced by using

Question # 17

For glass-air boundary the critical angle θc is

Question # 18

Power loss taken place when a light signal travels along fibres by

Question # 19

Michelson,s interferometer can be used to measure

Question # 20

Source of light used in the fibre optic communication

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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 A circular scale is attached and graduated in
A. One degree
B. 2 degrees
C. Half degree
D. None of these
2 Huygen's principle states that:
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
3 The organic substances which shows optical rotation when they are in solution
A. Tartaric acid
B. Sugar
C. Alcohol
D. a and b
4 A spectrum which contains all wavelengths without any break is called
A. Emission spectrum
B. Line spectrum
C. Continuous emission spectrum
D. All of them
5 Which of the following colors suffers maximum deviation in a prism?
A. Yellow
B. Blue
C. Green
D. Orange
6 The medium in which speed of light is the same in all directions is called
A. non-homogeneous medium
B. homogeneous medium
C. both of them
D. empty medium
7 Speed of light in vacuum is
A. 0 ms-1
B. 3 x 108ms-1
C. 1.5 x 108ms-1
D. None of these
8 The danger signals are red while the eye is more sensitive to yellow because
A. Scattering in yellow colour is less than that of red
B. Red light is longer in wavelength than yellow light
C. Scattering in red is less than that of in yellow
D. Red colour has greater frequency than yellow light
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 One angshom is equal to?
A. 10-8cm
B. 10-6m
C. 10-10nm
D. 10-8nm

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