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

Fire optics has ability to transmit

Question # 2

The cause of power loss in optic fibre is

Question # 3

Near and far points of a healthy human eye respectively are

Question # 4

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 5

If the path difference must be an integral multiple of wavelength

Question # 6

A light wave produced by oscillating charge consists of a periodic variation of

Question # 7

A completely transparent material will be invisible in vacuum when the refractive index n is

Question # 8

The medium in which speed of light is the same in all directions is called

Question # 9

Michelson's interferometer is an instrument that is capable of measuring distance with

Question # 10

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 11

Two sources of light are said to be coherent when the waves produced by them have

Question # 12

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

Question # 13

For glass-air boundary, the value of the critical angle is

Question # 14

A telescope is rotatable about the same vertical axis as the turntable, with a scale which is

Question # 15

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

Question # 16

The experimental evidence in support of wave theory in Huygen's time was

Question # 17

A _____ lens is used in the apparatus to get newton's ring:

Question # 18

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

Question # 19

If the bright fringe into be observed then we have relation

Question # 20

In thin film colours are due to

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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 Diffraction effect is
A. More for a round edge
B. More for a sharp edge
C. Less for a sharp edge
D. None of these
2 The magnification is negative for
A. Real image
B. Virtual image
C. Sometimes for real sometimes for real
D. Only for cancave lens
3 In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:
A. Greater than
B. Equal to
C. Smaller than
D. None of these
4 A spherical wavefront is that which has
A. A source
B. A point source
C. An extended source
D. None of these
5 In diffraction grating has feature/features like
A. A glass plate
B. A large numbers of lines are ruled
C. Spacing between two lines acts as a slit
D. All of these
6 How many phone calls can be carried by single mode step index fibre
A. 25000
B. 96000
C. 14000
D. 21000
7 On a rainy day if there is an oil drop on tar road colored rings are seen around this drop This is because of
A. Interference pattern produced due to thin oil film
B. Diffraction pattern
C. Polarization
D. Total internal reflection of light
8 2 d sin θ = nλ can be used to determine the
A. Inter planar spacing
B. Wavelength
C. Incident angle
D. All of these
9 The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be
A. 1.6 x 104
B. 3 x 103
C. 2 x 106
D. 4 x 108
10 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km

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