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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

How many major components of fibre optic communication system are

Question # 2

A thin film is a transparent medium whose thickness is comparable with the wavelength of

Question # 3

The ratio of size of the image to the size of the object is called

Question # 4

Phenomenon of interference and diffraction support the:

Question # 5

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

Question # 6

The optical fibre is covered for protection with

Question # 7

Which one of the following waves cannot be polarized

Question # 8

The property of light which does not change with the nature of the medium is

Question # 9

If the slits in YDS experiment are made closer, fringe spacing will

Question # 10

For glass-air boundary the critical angle θc is

Question # 11

Angle between ray of light and the corresponding wave front is

Question # 12

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

Question # 13

If the plane polarized light is incident on the second sheet of Polaroid, no light is emitted when their axes are

Question # 14

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

Question # 15

In an interference fringes pattern the fringes are

Question # 16

A limited region taken on a wavefront which is far away form the source is

Question # 17

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

Question # 18

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 19

A typical diffraction grating has lines per centimeter

Question # 20

According to the Huygen's principle, the secondary wavelets propagate in the forward direction with a speed equal to

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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 Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called
A. Step index fibre
B. Multi mode step index fibres
C. Multimode graded index fibre
D. None of these
2 To observe interference of light the condition which must be met with is that the sources must be:
A. Monochromatic
B. Phase coherent
C. Both of above
D. None of above
3 In order to get interference using two light rays:
A. The sources should be monochromatic and coherent
B. The sources should have the same frequency
C. Superposition should be linear
D. All of these
4 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara
A. 2,2
B. 2,3
C. 3,2
D. 3,3
5 The ability of an instrument of reveal the minor details of an object under examination is called
A. Resolution
B. Magnification
C. Resolving power
D. Dispersion
6 The setting of Newton's rings is
A. A Plano convex lens and the plane glass plate
B. A Plano convex lens and simple glass sheet
C. A Plano convex lens (long focal length) and the plane of glass plate
D. None of these
7 Monochromatic light directly means waves of
A. Same frequency
B. Same color
C. Same wavelength
D. All of them
8 A diffraction grating contains 5000 lines per centimeter, its grating element will be
A. 1 x 10-4nm
B. 1 x 10-14m
C. 1 x 10-14cm
D. 1 x 10-4cm
9 Mirage is a phenomenon due to
A. Reflection of light
B. Refraction of light
C. Total internal reflection of light
D. Diffraction of light
10 In Young's double slit experiment, the fringe width depends on
A. wavelength of the light used
B. distance between the slits and screen
C. distance between the slits
D. all of them

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