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

When crest of one wave coincides with the trough of the other wave, it give rise to

Question # 2

We can divide the optical fibres on the basis of the mode by which they propagate light in

Question # 3

The contrast in the fringes in any interference pattern depends on

Question # 4

A point source in a homogeneous medium gives rise to:

Question # 5

The speed of light in a medium of refractive index 1.5 is

Question # 6

When sunlight falls on a soap bubble (film), it appears coloured because of

Question # 7

The optical fibre has a layer over the central layer is called cladding of refractive index

Question # 8

A prism splits a beam of white light into its seven constituent colors.This is so because

Question # 9

Repeaters are the devices which regenerate the signals and are placed at about

Question # 10

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 11

How are X-rays diffracted by crystals in X-rays crystallography?

Question # 12

Huygen's wave front which sends out secondary wavelets with a speed equal to

Question # 13

In a never system, the repeaters are placed at about

Question # 14

A converging lens in used to from an image on a screen when the upper half of the lens is covered by an opaque screen

Question # 15

In case of interference fringes:

Question # 16

The velocity of light in vacuum can be changed by changing

Question # 17

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 18

The least distance of he distinct vision is

Question # 19

A simple telescope is consists of

Question # 20

The light source used in multimode step index fibre is

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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 A spectrometer is an optical device used to study the spectra from different sources of light which is
A. Absorption spectra
B. Emission spectra 
C. Discrete spectra
D. None of these
2 Who proposed wave theory of light
A. Huygens
B. Galileo
C. Einstein
D. Newton
3 A mode of propagation of light through optical fibre in which the light within the fibre is
A. Reflected
B. Refracted
C. Continuously refracted
D. None of these
4 Least distance of distinct vision
A. Decrease with increasing age
B. Increases with increasing age
C. Does not vary with age
D. May increase or decrease with age
5 A ______ lens is used in the apparatus to get Newton,s rings
A. Plano-concave
B. Plano-convex
C. Convexo-concave
D. Double convex
6 A ray of light reflected from a dense medium under goes a phase change of:
A. 30°
B. 60°
C. 90°
D. 180°
7 One angstrom equal:
A. 10-8m
B. 10-9m
C. 10-10m
D. 10-11m
8 In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are
A. 4
B. 8
C. 16
D. 32
9 Resolving power of a telescope depends on:
A. The magnification of eyepiece
B. The focal length of objective lens
C. Diameter of objective lens
D. Refractive index of objective lens
10 Longitudinal waves do not exhibit
A. Refraction
B. Reflection
C. Diffraction
D. Polarization

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