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 ratio of the diameter of two convex lenses is the ratio of their focal lengths

Question # 2

The contrast in the fringes in an interference pattern depends upon

Question # 3

Which Phenomenon proves that nature of light is transverse

Question # 4

The astronomical telescope consists of objective and eye piece.The focal length of he objective is

Question # 5

With the help of interferometer, we can find the

Question # 6

Polaroids are used in

Question # 7

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

Question # 8

The property of bending of light around obstacies is called

Question # 9

Who gave the idea of light as wave ?

Question # 10

Propagation of light in an optical fibre requires that the light should

Question # 11

In the study of interference and diffraction, we consider

Question # 12

Which of the following converts electrical signals into light signals?

Question # 13

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Question # 14

In multi-mode step index optical fibre, that layer is called cladding which has

Question # 15

The ratio of fringes with for bright and dark fringes is

Question # 16

When a mirror of a Michelsion's interferometor is moved a distance of 0.5 mm, 2000 fringes are observed, the wavelength of the light used is

Question # 17

If red light is incident on sea water it appears

Question # 18

The time taken by the mirror M to rotate through an angle 2π/8 is

Question # 19

An object is placed between two parallel mirrors the number of images formed is

Question # 20

Telescope is an optical device used for viewing

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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 Which of the following atoms cannot be detected by X-ray crystallography?
A. carbon
B. nitrogen
C. hydrogen
D. neon
2 In Newton,s rings apparatus, we also use
A. Spectroscope
B. Telescope
C. Microscope
D. Turn table
3 The minimum number of lenses used in compound microscope is
A. 1
B. 2
C. 3
D. 4
4 Single mode step index fibre has
A. Thick core and large cladding
B. Thick core and shorter cladding
C. Thin core and shorter cladding
D. Thin core and larger cladding
5 In case of point source of light, shape of wavefront is:
A. Spherical
B. Cylindrical
C. Plane
D. None of these
6 A pulse of light in the optical fibres represents the number
A. 0
B. 1
C. 2
D. 3
7 Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?
A. Light can be diffracted
B. Two coherent light waves can be made to interfere.
C. The intensity of light from a point source falls off inversely as the square of the distance from the source
D. Light can be polarized
8 In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width
A. Becomes doubled
B. Becomes 4 times
C. Is halved
D. Remains the same
9 Phenomenon of interference and diffraction support the:
A. Quantum nature of light
B. Tranverse nature of light
C. Wave nature of light
D. Complex nature of light
10 Inspite of different dispersion, all the wavelengths arrive at the other end of the fibre at the same time. With a step-index fibre overall time difference may be about
A. 40 ns
B. 30 ns
C. 32 ns
D. 33 ns

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