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 relation d sinθ = nλ, where 'n' is the

Question # 2

Single mode step index fibre has

Question # 3

If Young s double slit experiment is immersed in water then the fringes with

Question # 4

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

Question # 5

Which one of the following phenomenon cannot be explained on the bases of Huygen's theory?

Question # 6

In Young s double slit experiment if we use white light then

Question # 7

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Question # 8

If the distance of a surface from light source is doubled,then the luminance will become

Question # 9

The light signal in graded index fibre is totally confined due to

Question # 10

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

Question # 11

Which of the following phenomenon cannot take place if we consider light as longitudinal wave?

Question # 12

The distance between two concentric wave fronts is

Question # 13

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

Question # 14

A compound microscope is consists of an eye piece  of focal length

Question # 15

The typical wavelength of light source in transmitter is

Question # 16

When the same object is viewed at a shorter distance the image on the retina of eye is ______ and so the object appears ______

Question # 17

A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.

Question # 18

Which of the following colors suffers maximum deviation in a prism?

Question # 19

The light form Sun reaches earth in the form of

Question # 20

Which of the following is not an advantages of using optical fibres over copper cables?

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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 contrast in the fringes in an interference pattern depends upon
A. Fringe width
B. Relative intensities of the two sources
C. Distance between the slits
D. Wavelength
2 X-rays interact with
A. solid crystal
B. atoms in the crystal
C. nuclei of atoms in the crystal
D. electrons of atoms in the crystal
3 All of the following statements are correct except
A. The total focal length of an astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can be increased by decreasing the focal length of the eyepiece.
4 The path difference involved in interference in thin films depends upon
A. Thickness and nature of thin films
B. Angular of incidence of light
C. Nature of media on both sides of thin film
D. All of these
5 What is the time taken by light to travel 4 mm in a material of refractive index 3
A. 4 x 10-11 s
B. 2 x 10-11 s
C. 16 x 10-11 s
D. 8 x 10-11 s
6 Proportion of light in an optical fibre requires that the light-should be within the fibre
A. Very little confined
B. Largely confined
C. Totally confined
D. None of these
7 A ray of light always points
A. Anti parallel to wave front
B. Perpendicular to wave front
C. Parallel to wave lets
D. None
8 Wave length of red colour as compared to that of violet colour is:
A. Smaller
B. Longer
C. Equal
D. None of these
9 The range of the diameter of core in multimode graded index fibre is
A. 50 to 100 μm
B. 50 to 1000 μm
C. 50 to 1000 μm
D. None of these
10 The cause of power loss in optic fibre is
A. Absorption
B. Scattering
C. Dispersion
D. All

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