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

Which of the following properties show light is transverse wave in nature?

Question # 2

Which optical fibre is used for shorter distances only?

Question # 3

The diffraction grating is used to measure

Question # 4

When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions is

Question # 5

Phenomenon of interference and diffraction support the:

Question # 6

A material having high refractive index has

Question # 7

The light source used in multimode step index fibre is

Question # 8

The speed of light in other material is always

Question # 9

In young's slit experiment on interference the ratio of the intensities of a bright band and a dark band is 6 : 1 the ratio of the amplitudes o the interfering waves is

Question # 10

Phase change of 180° is equivalent to a path difference of

Question # 11

Propagation of light in an optical fiber requires that light should be

Question # 12

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 # 13

Which device converts the light signals which these amplified and decoded

Question # 14

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

Question # 15

The light signal in an optical fibre is totally confined due to the

Question # 16

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

Question # 17

The typical wavelength of light source in transmitter is

Question # 18

When the light is incident on polarizing angle which of the following is completely polarized?

Question # 19

The central point in the Newton's rings is dark due to

Question # 20

All of the following statements are correct except

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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 To get higher magnification we must use
A. Simple microscope
B. A convex lens
C. A compound microscope
D. All of these
2 Power of a lens is equal to
A. Focal length in meters
B. Reciprocal of focal length expressed in meters
C. Double the focal length
D. Half the focal length
3 Which characteristics of wave, established the Huygen's wave theory in 1801?
A. polarization
B. interference
C. propagation
D. all of them
4 If the slits in YDS experiment are made closer, fringe spacing will:
A. Increase
B. Decrease
C. Remain same
D. None of above
5 Michelesion's interferometer is an instrument usually used to measure
A. intensity of light
B. speed of light
C. wavelength of light
D. dispersion of light
6 The multi-mode step index optical fibre, the central core has
A. high refractive index and low density
B. low refractive index and density
C. low refractive index and low density
D. high refractive index and high density
7 Which of the following is not an advantages of using optical fibres over copper cables?
A. signal attenuation
B. number of signals carried per wire
C. cost of installation
D. none of the above
8 When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is
A. 100 nm
B. 10-4 nm
C. 10-6 nm
D. 10-5 mm
9 Mirage is a phenomenon due to
A. Reflection of light
B. Refraction of light
C. Total internal reflection of light
D. Diffraction of light
10 The length of the standard metre measured by Michelsion's interferometer comes out to be
A. 1,553, 163.5 wavelength
B. 1553.5 wavelength
C. 155316.5 wavelength
D. none of them

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