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

The typical wavelength of the signal which we sent in the optical fibre is

Question # 2

Basic principle of an optical fibre is

Question # 3

The regular array of atoms in a crystal has spacing of the order of

Question # 4

Two sources of light are said to be coherent when the waves produced by them have

Question # 5

The velocity of light in vacuum can be changed by changing:

Question # 6

In an astronomical telescope is the objective has the focal length fo is

Question # 7

How are X-rays diffracted by crystals in X-rays crystallography?

Question # 8

The spacing between the parallel lines are served as

Question # 9

Huygen's principle is used to study the

Question # 10

The sky appears blue because

Question # 11

Angular magnification of a simple microscope is given as

Question # 12

In normal adjustment, the length of the telescope is

Question # 13

The wave propagates in space by the motion of the

Question # 14

In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?

Question # 15

Optic fibers are related with

Question # 16

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

Question # 17

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

Question # 18

The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object

Question # 19

The unit of power of a lens is

Question # 20

The wavelength of X-rays is about

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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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Sr.# Question Answer
1 The splitting of white light into several colors on passing through a glass prism is due to
A. Refraction
B. Reflection
C. Interference
D. Diffraction
2 If Young s double slit experiment is immersed in water then the fringes with
A. Decreases
B. Remains unchanged
C. Becomes infinite
D. Increases
3 A ray of light always points
A. Anti parallel to wave front
B. Perpendicular to wave front
C. Parallel to wave lets
D. None
4 To find wavelength of light by his experiment. Newton utilized:
A. Principle of phase change
B. Snell's Law
C. Bragg's law
D. Both (A) and (C)
5 If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by
A. λ/4
B. λ/2
C. λ
D. 3/2λ
6 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
7 A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?
A. The entire field of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
8 In Bragg's formula, the path difference should beam integral multiple of the wavelengths
A. d sin θ = nλ
B. d sin 2θ = nλ
C. 2 d sin θ = nλ
D. None of these
9 The focal length of the lens of human eye
A. Is fixed
B. Varies from zero to infinity
C. Can be increased only
D. Can be decreased only
10 Sunset makes sky appears reddish because of:
A. Diffraction of sun rays
B. Refraction of light
C. Scattering of light from dust particles
D. Polarization of ligth

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