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

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

Question # 2

Two layers optical fibre in which central layer is called core which has refractive index

Question # 3

The magnifying power of a simple microscope can be increased if we use eye piece of

Question # 4

In multi-mode step index optical fibre, that layer is called cladding which has

Question # 5

Light is a type of energy which produces sensation of

Question # 6

In case of destructive interference of two waves, the amplitude of the resultant wave will be_______either of the waves:

Question # 7

An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is

Question # 8

The danger signals are red while the eye is more sensitive to yellow because

Question # 9

A spectrometer is used to find

Question # 10

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 11

The wave propagates in space by the motion of the

Question # 12

A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam

Question # 13

The refractive index of a medium is defined as a ratio

Question # 14

Light appears to travels in straight lines since

Question # 15

The phenomenon of diffraction can be exhibited by

Question # 16

Layer of oil on water in sunlight appears coloured due to

Question # 17

Analyzer is use to

Question # 18

 In the phenomenon of interference, the bright and dark fringes are of

Question # 19

The property of bending of light around the obstacle is known is

Question # 20

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

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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 Wave length of red colour as compared to that of violet colour is:
A. Smaller
B. Longer
C. Equal
D. None of these
2 To find wavelength of light by his experiment. Newton utilized:
A. Principle of phase change
B. Snell's Law
C. Bragg's law
D. Both (A) and (C)
3 In an optical fibre the speed of light is
A. Directly proportional to its refractive
B. Inversely proportional to its refractive inedex
C. Independent of refractive index
D. Directly proportional to square of refractive index
4 The minimum number of lenses used in compound microscope is
A. 1
B. 2
C. 3
D. 4
5 Signal from a remote control to the device operated by it travels with the speed of:
A. Sound
B. Light
C. Ultrasonics
D. Supersonics
6 Fraunhofer spectrum is a
A. Line absorption spectrum
B. Band absorption spectrum
C. Line emission spectrum
D. Band emission spectrum
7 The fringe spacing in case of red light
A. Increases
B. Decreases
C. Remains the same
D. None of these
8 The transmission of information by light waves may be
A. An audio signal
B. A television signal
C. A computer data signals
D. All of them
9 Which of the following properties show light is transverse wave in nature?
A. Interference
B. Reflection
C. Diffraction
D. Polarization
10 A single step index fibre can carry more than
A. 14 TV channels
B. 14,000 phone calls
C. 16 TV channels
D. a and b

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