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

00:00
Question # 1

Newton's rings are formed due to:

Question # 2

The spacing between lines of diffraction grating is

Question # 3

Michelson interferometer is based upon

Question # 4

Which type of fibre is used to send the signals of long distances?

Question # 5

The path difference involved in interference in thin films depends upon

Question # 6

The angle of incidence at which angle of refraction becomes 900 is called

Question # 7

To demonstrate the phenomenon of interference we require two sources that emit radiation

Question # 8

A double convex lens act as a diverging lens when the object is

Question # 9

The optical fibre is covered for protection with

Question # 10

The practical use of services by optic fiber is

Question # 11

A monochromatic source of light gives light of

Question # 12

Choose the correct statement

Question # 13

The light signal in an optical fibre is totally confined due to the

Question # 14

In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then

Question # 15

The final image obtained by astronomical telescope is

Question # 16

The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself

Question # 17

The components of a fibre optic communication system is/are

Question # 18

A compound microscope is consists of

Question # 19

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 # 20

The light source used in multimode step index 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 polarized can be achieved by using process like
A. Coherent sources
B. Diffraction
C. Selective absorption
D. None of these
2 If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift
A. 795
B. 792
C. 786
D. None
3 The distance between different interference fringes are:
A. Variable
B. Same
C. Different
D. None of these
4 When a ray of light enters a denser medium from a rarer medium,its:
A. Wavelength increases
B. Velocity increases
C. Frequency decreases
D. Wavelength decreases
5 The central ring is bright in case of newton's ring produced by:
A. Reflected light
B. Transmitted light
C. Wedged film
D. None of above
6 In Young s experiment the distance between two adjacent fringes for blue light is than that for green light
A. Lesser
B. Greater
C. Equal
D. Lesser if distance between source and screen is large
7 If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by blue light of the same intensity:
A. Fringe width will decrease
B. Fringe width will increase
C. Fringe width will remain unchanged
D. Fringe will become less intense
8 The light produced by a laser is all the following except
A. Incoherent
B. Monochromatic
C. In the form of a narrow beam
D. Electromagnetic
9 Fraunhofer spectrum is a
A. Line absorption spectrum
B. Band absorption spectrum
C. Line emission spectrum
D. Band emission spectrum
10 In Michelsion's interoferometer, if the moveable mirror is moved through a distance 0.05 mm and 500 finges are observed, then the wavelength of light used is
A. 1 x 10-7m
B. 2 x 10-7m
C. 1.5 x 10-7m
D. 1 x 10-8m

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