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

For destructive interference the path difference is give by:

Question # 2

Who proposed that light energy form a luminous source travels in space by means of wave motion?

Question # 3

Snell's Law is defined as

Question # 4

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

Question # 5

Which type of optical fiber has the largest diameter

Question # 6

Single mode step index fibre is used to send

Question # 7

When crest of one wave falls on the crest of the other wave. This phenomenon is known as:

Question # 8

Spectrum of sun consists of

Question # 9

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 10

In newton's rings apparatus, we also use:

Question # 11

Cladding in an optical fiber is used to

Question # 12

The ratio of fringes with for bright and dark fringes is

Question # 13

How many phone calls can be carried by single mode step index fibre

Question # 14

The unit of power of a lens is

Question # 15

Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?

Question # 16

In YDS experiment, at the center of screen is formed a:

Question # 17

If 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ

Question # 18

A plane wavefront is that which has source

Question # 19

Power loss taken place when a light signal travels along fibres by

Question # 20

Why laser rays are used to measure long distance?

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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 A sun rise or sun set the sun looks reddish because
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
2 Who proposed that light energy form a luminous source travels in space by means of wave motion?
A. Newton
B. Maxwell
C. Einstein
D. Huygen
3 The typical example/examples of optically active crystals
A. Quartz
B. Crystals of sodium chlorate
C. Crystals of sodium chloride
D. a and b
4 The colour of light is determined by is
A. Wavelength
B. Frequency
C. Velocity
D. Amplitude
5 A polarizer is used to
A. Reduced intensity of light
B. Produce polarized light
C. Increase intensity of light
D. Produce unpolarised light
6 The phenomenon is found to be prominent when size of the opening (aperture) is
A. Grater than wavelength of light
B. Smaller than wavelength of light
C. Equal of light used
D. None of these
7 The phenomenon of blending of around edges of an obstacle is called:
A. Interfarance
B. Defraction
C. Polorisation
D. None of above
8 A plane wavefront is that which has source
A. Nearest
B. Distant
C. Near
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 In the thin film, the path difference between the two reflecting waves depends upon
A. thickness of film
B. nature of film
C. angle of incidence
D. all of them

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