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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Plane polarized light can be produced by:

Question # 2

The brilliance of diamond is

Question # 3

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

Question # 4

In an interference fringes pattern the fringes are

Question # 5

To get higher magnification we must use

Question # 6

We can observe only when the grating spacing is

Question # 7

If the focal length of objective is 10 mm find its magnification

Question # 8

Which of the following frequency ranges includes most of the electromagnetic waves emitted by the ultra - violet tubes used in a sun bed?

Question # 9

To get high resolving power for a telescope one should use

Question # 10

The wave nature of light was first proposed by

Question # 11

In viewing the distant objects the angle subtended at the telescope is

Question # 12

What is the time taken by light to travel 4 mm in a material of refractive index 3

Question # 13

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

Question # 14

In Young s double slit experiment the separation between the slits in halved and the distance between the slits and the screen is doubled the fringe with will

Question # 15

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

Question # 16

The phenomenon of diffraction can be exhibited by

Question # 17

Which of the following theories of light are explained by the Young's double slit experiment?

Question # 18

Spectrometer using diffraction grating can measure

Question # 19

The path difference involved in interference in thin films depends upon

Question # 20

Layer of oil on water in sunlight appears coloured due 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 An optical fibre with its protective case may be typically
A. 6 m
B. 6 mm
C. 6 cm
D. 6 nm
2 The points on a Huygen's wave front which sends out secondary wavelets are also
A. Source
B. Source of secondary wavelets
C. Coherent sources of light
D. None of these
3 The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources
A. Angular magnification
B. Resolution
C. Magnification
D. None of these
4 A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is
A. 7.5cm
B. 10.5 cm
C. 12 cm
D. 15 cm
5 When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is
A. 11.2o
B. 14.2o
C. 15.4o
D. 13.6o
6
Question Image
7 In cause of YDS experiment, the distance between adjacent bright fringes is given by
A. Δy =λL/d
B. ΔY = L/λd
C. ΔY =λ/L
D. None of these
8 The property of bending of light around the obstacle is known is
A. Interference
B. Polarization
C. Diffraction
D. None of these
9 Measurement of a standard metre in terms of the wavelength of red cadmium light is
A. 1,563,163.5
B. 1,553,363.5
C. 155,553.5
D. 1,553,163.5
10 In compound microscope the focal length of eye piece is
A. Large
B. Small
C. Same as objective
D. None of these

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