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

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 # 2

Sunset makes sky appears reddish because of:

Question # 3

Sunlight is also partially polarized because of Earth's atmosphere due to scattering by

Question # 4

The distance between the two mirrors can be varied by

Question # 5

In newton's rings see through the reflected light, centeral spo is:

Question # 6

The resolving power of human eye is

Question # 7

Which property of waves proves that light is a transverse wave?

Question # 8

Which of the following radiation will be focused farthest from a convex lens

Question # 9

The cause of mirage observed in desert is

Question # 10

The distance between the top adjacent slits on diffraction grating is called

Question # 11

The light produced by a laser is all the following except

Question # 12

If the bright fringe into be observed then we have relation

Question # 13

Conditions for interference are that the two sources should be coherent and

Question # 14

The diffraction grating is used to determine

Question # 15

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

Question # 16

A thin layer of oil on the surface of water looks colored due to:

Question # 17

The critical angle for a ray of light suffering total internal reflection will be smallest for the ray traveling from

Question # 18

When a ray of light enters a denser medium from a rarer medium,its:

Question # 19

Plane polarized light can be produced by:

Question # 20

The appearance of colours in the shape (or oil) film results from:

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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 Which of the following properties show light is transverse wave in nature?
A. Interference
B. Reflection
C. Diffraction
D. Polarization
2 According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have
A. No interference
B. Conductive interference 
C. Destructive interference
D. None of these
3 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
4 The information carrying capacity in an optical fibre is called
A. wavelength
B. frequency
C. bandwidth
D. none of them
5 A telescope is rotatable about the same vertical axis as the turntable, with a scale which is
A. Main scale
B. Vernier scale
C. Half degree scale
D. None of these
6 A double convex lens acts as a diverging lens when the object is
A. Between f and 2f
B. At the foucs
C. Inside the focus
D. All of these
7 As the object is brought from a far off point to he focus, the magnification goes on
A. Increasing
B. Decreasing
C. Do not change
D. None of these
8 The unpolarized light is
A. An ordinary incandescent bulb
B. Sun
C. Moon
D. All of these
9 In Michelsion's interoferometer, if the moveable mirror is moved through a distance 0.05 mm and 500 finges are observed, then the wavelength of light used is
A. 1 x 10-7m
B. 2 x 10-7m
C. 1.5 x 10-7m
D. 1 x 10-8m
10 How many types of the optical fibres are
A. One
B. Two
C. Three
D. Four

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