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

Multi-mode step index fibre index fibre is used to send

Question # 3

In Young's double slit experiment fringe width (or fringe spacing) depends

Question # 4

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

Question # 5

The property of light which does not change with the nature of the medium is

Question # 6

One cannot see through fog becuase

Question # 7

Who attempted to measure the speed of light

Question # 8

In the study of interference and diffraction, we consider

Question # 9

Ordinary light has components of vibrations in all possible planes. Such light is

Question # 10

The resolving power of telescope depends on

Question # 11

The magnification is negative for

Question # 12

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 13

The least distance of distinct vision for a normal eye is

Question # 14

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

Question # 17

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 18

In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice

Question # 19

The interference fringes are of

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 We can use Fibre optics system for
A. Image transmitting
B. Word processing
C. Image processing and recelving
D. All
2 Critical angle of light passing from glass to air is minimum for
A. Red
B. Green
C. Yellow
D. Violet
3 Wavelength of light, on the average, is given by:
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
4 The refractive index of a medium is defined as a ratio
5 The points on a Huygen's wave front which sends out secondary wavelets are also
A. Source
B. Source of secondary wavelets
C. Coherent sources of light
D. None of these
6 Multimode step index fibre has diameter as
A. 40 μm
B. 50 μm
C. 60 μm
D. None of these
7 The final image obtained by astronomical telescope is
A. Inverted w.r.t object
B. Magnified
C. Virtual
D. All of them
8 The wavelength of refractive wave in a denser medium is
A. Same as that of the incident wave
B. Become smaller than the incident
C. Becomes greater than the incident wave
D. None of these
9 In Young's double slit experiment fringe width (or fringe spacing) depends
A. inversely on wavelength
B. directly on wavelength
C. directly on square of wavelength
D. inversely on square of wavelength
10 Sun has elliptical shape when it rises and sets due to
A. Refraction
B. Reflection
C. Scattering
D. Dispersion

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