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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  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

A tourmaline crystal is being used as an analyzer In one complete rotation of the crystal the number of excitation will be

Question # 2

Optical fibres are of

Question # 3

Diffraction of X-ray by crystals show that

Question # 4

Identify the incorrect statement

Question # 5

The final image obtained by astronomical telescope is

Question # 6

The laser light used in an optical fiber system has a wavelength equal to

Question # 7

Repeaters are the devices which regenerate the signals and are placed at about

Question # 8

With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 9

In light waves, the components of electric and magnetic fields are

Question # 10

In Newton's rings the thickness of air film at the point of contact is

Question # 11

A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on

Question # 12

The polarized can be achieved by using process like

Question # 13

Wavelength of a laser beam can be used as a standard of

Question # 14

A plane wavefront is that which has source

Question # 15

The light source used in multimode step index fibre is

Question # 16

In the thin film, the path difference of two reflected ray depends upon

Question # 17

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

Question # 18

The typical example/examples of optically active crystals

Question # 19

In Young's double slit experiment for the interference of light, the central region of the fringe system is

Question # 20

The direction of a ray of light is.......to the wave front.

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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 Who gave the corpuscular nature of light
A. Einstein
B. Newton
C. Maxwell
D. Thomas young
2 In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes
A. 1/3 times
B. 1/9 times
C. 3 times
D. 9 times
3 Electromagnetic waves from a source were found to be significantly diffracted when passing through gaps of the order of 10 m. What type of waves are they likely to be?
A. gamma waves
B. light waves
C. microwaves
D. radiowaves
4 The light source in the transmitter can be
A. semiconductor laser
B. LED
C. both of them
D. either of them
5 Light waves are:
A. Mechanical waves
B. Electromagnetic waves
C. All of above
D. None of above
6 Focal length of convex lens is maximum for
A. Blue light
B. Yellow light
C. Green light
D. Red light
7 The resolving power of human eye is
A. 1° 
B. 2°
C. 3°
D. 6°
8 In newton's rings apparatus, we also use:
A. Spectroscope
B. Telescope
C. Microscope
D. Any of these
9 The conversion of electrical signals into light signals taken place due to
A. Generator
B. Transmitter
C. Receiver
D. None of these
10 In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is
A. 2
B. 6
C. 8
D. None

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