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

In thin film colours are due to

Question # 2

The angle of incidence at which angle of refraction becomes 900 is called

Question # 3

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

Question # 4

A point on the surface of the mirror where principle axis meets is called

Question # 5

The principle of Michelson's interferometers is

Question # 6

For the sustained interference of light the necessary condition is that the two sources should

Question # 7

Graham Bell photo phone used a modulated beam of

Question # 8

A two-slit arrangement is set up to produce an interference pattern on a screen. The fringes are too close together for convenient observation. How could the distance between them be increased?

Question # 9

When crest of one wave coincides with the trough of the other wave, it give rise to

Question # 10

In YDS experiment, the condition for constructive interference of two coherent waves is that the path difference should be

Question # 11

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

Question # 12

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

Question # 13

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

Question # 14

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

Question # 15

Whenever high magnification is desired

Question # 16

An object is placed between two parallel mirrors the number of images formed is

Question # 17

The plane of polarization is rotated many degrees when a thickness of such crystal is

Question # 18

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 19

The position of a new wavefront after a certain interval of time can be found by constructing a surface that is

Question # 20

Using a graded index fibres the time difference is reduced to 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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MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre
A. 100 to 200
B. 1000 to 10000
C. 100 to 1000
D. 1 or 2
2 Huygen's principle is used to study the
A. formation of wavefronts
B. propagation of wavefronts
C. nature of light
D. speed of light
3 The wavelength of X-rays is about
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
4 A grating with high resolving power can distinguish ______ difference in ______
A. Smaller, amplitude
B. Greater, wavelength
C. Smaller, wavelength
D. Greater, intensity
5 Refractive index of material depends upon
A. Nature of material
B. Wave length
C. Temperature
D. All of these
6 Sky seems blue due to
A. Diffraction
B. Polarization
C. Dispersion
D. Scattering
7 According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a
A. Smooth and regular
B. Mirror
C. Thin film
D. None of these
8 An optical fiber of ______ cm in diameter id equivalent to 7.62 cm diameter bundle of ______ wires to carry the same amount of signals
A. 0.6, aluminum
B. 6.0, copper
C. 0.6, copper
D. 6.0, aluminum
9 We can divide the optical fibres on the basis of the mode by which they propagate light in
A. two types
B. three types
C. four types
D. many types
10 In compound microscope image formed is
A. Real erect and diminished
B. Virtual inverted magnitude
C. Real inverted and magnified
D. Virtual inverted and magnified

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