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

Longitudinal waves do not exhibit

Question # 2

When the object is closer to eye or near point, the image becomes

Question # 3

The image of the tip of a needle is never sharp because of

Question # 4

The phenomenon of polarization proves that the light waves are

Question # 5

Light waves are:

Question # 6

The optical fibre has a layer over the central layer is called cladding of refractive index

Question # 7

The different parts of spectrometer

Question # 8

The dichronic substances are used in the process getting plane polarized light

Question # 9

Two wave of intensities I an 4I superpose then the maximum and minimum intensities are

Question # 10

Which of the following gives three regions of the electromagnetic spectrum in order of increasing wavelength?

Question # 11

To get high resolving power for a telescope one should use

Question # 12

Who confirm the wave theory of light ?

Question # 13

The fringe spacing in case of blue light

Question # 14

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 15

For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium

Question # 16

Light has:

Question # 17

A ray of light always points

Question # 18

Near and far points of a healthy human eye respectively are

Question # 19

A sun rise or sun set the sun looks reddish because

Question # 20

Point out angle/angle at which the sin θ and tan θ have the same value

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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 In the study of interference and diffraction, we consider
A. plane waves
B. plane wavefronts
C. both of them
D. none of them
2 If the distance of a surface from light source is doubled,then the luminance will become
A. 1/4 times
B. 1/2 times
C. 2 times
D. 4 times
3 In the thin film, the path difference of two reflected ray depends upon
A. Thickness of the film
B. Nature of the film
C. Angle of incidence
D. All of these
4 With the help of interferometer, we can find the
A. Wavelength
B. Frequency
C. Phase
D. None of these
5 Spherical aberration can be reduced by using
A. Convex lens
B. All the portions of the lens
C. Central portion of the lens
D. Upper portion of the lens
6 For glass-air boundary the critical angle θc is
A. 30o
B. 41.8o
C. 42.0o
D. 44.0o
7 Inverse square law for luminace is valid for
A. Search light
B. Isotropic point source
C. Cylindrical source
D. All types of source
8 When a light signal travels along the length of the optical fibre, the power lost by it is due to
A. Reflection
B. Refraction
C. Seattering and absorption
D. Diffraction
9 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
A. The entire field of vision is blocked
B. There is image of the fly on the photograph
C. There is no effect at all
D. There is the reduction in intensity of the image
10 In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in
A. Low orders
B. Middle orders
C. High order
D. None of these

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