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

00:00
Question # 1

The terms phase difference and path difference are:

Question # 2

Single mode step index fibre has

Question # 3

Which does not show polarization?

Question # 4

According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light

Question # 5

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

Question # 6

The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber

Question # 7

Single mode step index fibre has feature/s like

Question # 8

Which of the following is an optical fibre in which the density of central core decreases towards its periphery?

Question # 9

The phenomenon of diffraction can be exhibited by

Question # 10

Single mode step index fibre is used to send

Question # 11

Spherical aberration can be reduced by using

Question # 12

Why laser rays are used to measure long distance?

Question # 13

Diffraction effect is

Question # 14

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

Question # 15

If the wavelength of light used in Michelsion's interferometer is 400 nm and the moveable mirror only moved throughλ/4, then the length moved will be

Question # 16

The contrast in the fringes in any interference pattern depends on

Question # 17

If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  

Question # 18

A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is

Question # 19

The transmission of information by light waves may be

Question # 20

A ray of light reflected from a dense medium under goes a phase change of:

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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 The light form Sun reaches earth in the form of
A. plane wavefront
B. circular wavefront
C. spherical wavefront
D. elliptical wavefront
2 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
3 How many phone calls can be carried by single mode step index fibre
A. 25000
B. 96000
C. 14000
D. 21000
4 In thin film colours are due to
A. Reflection
B. Interference
C. Diffraction
D. Refraction
5 The typical example/examples of optically active crystals
A. Quartz
B. Crystals of sodium chlorate
C. Crystals of sodium chloride
D. a and b
6 According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light
A. Less
B. Maximum
C. Equal
D. May be less may be greater depending upon slit spacing
7 Which of the following colors suffers maximum deviation in a prism?
A. Yellow
B. Blue
C. Green
D. Orange
8 The distance between the two mirrors can be varied by
A. Moving glass plate
B. Movable mirror
C. Compensator plate
D. None of these
9 The light which has components in all directions is called
A. unpolarized light
B. polarized light
C. intense light
D. none of them
10 The ratio of fringes with for bright and dark fringes is
A. 1 : 2
B. 2 : 1
C. 1 : 4
D. 1 : 1

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