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

  • Total Questions20

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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

The focal length of the lens of human eye

Question # 3

If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at

Question # 4

The typical wavelength of the signal which we sent in the optical fibre is

Question # 5

The phase difference between two points on a wave front will be

Question # 6

Which of the following phenomenon cannot take place if we consider light as longitudinal wave?

Question # 7

Least distance of distinct vision

Question # 8

The spacing between lines of diffraction grating is

Question # 9

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Question # 10

The disadvantage of the step-index fibre can be reduced by

Question # 11

The ultra-purity of optical fibre is

Question # 12

In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves

Question # 13

Experimental demonstration of wave nature of light was given in 1801 by

Question # 14

If the path difference must be an integral multiple of wavelength

Question # 15

Which of the following is not an advantages of using optical fibres over copper cables?

Question # 16

Huygen's principle states that:

Question # 17

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

Question # 18

If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute

Question # 19

Who confirm the wave theory of light ?

Question # 20

The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

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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 Source of light used in the fibre optic communication
A. Led
B. Laser
C. Photo diode
D. Both a and b
2 Ordinary light has components of vibrations in all possible planes. Such light is
A. Unpolarized light
B. Polarized light
C. Both
D. None of these
3 Spectrometer can be used to
A. Measure wave length of light
B. Measure refractive index of the materials
C. Study spectra of light
D. All
4 Fringe spacing in YDS experiment will be maximum if we use
A. Red light
B. Green light
C. Violet light
D. Blue light
5 Who confirm the wave theory of light ?
A. Newton
B. Michelson
C. Newton
D. Thomos Young
6 For glass-air boundary the critical angle θc is
A. 30o
B. 41.8o
C. 42.0o
D. 44.0o
7 Spherical aberration can be reduced by using
A. Convex lens
B. All the portions of the lens
C. Central portion of the lens
D. Upper portion of the lens
8 To get higher magnification we must use
A. Simple microscope
B. A convex lens
C. A compound microscope
D. All of these
9 Which mode can carry more than 14 TV channels or 14000 phone cells?
A. single mod step index
B. multimode step index
C. multimode graded index
D. all of them
10 Rainbow is formed due to combination of
A. Dispersion and total internal reflection
B. Reflection and refraction
C. Dispersion and focusing
D. Refection and scattering

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