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

The central ring is bright in case of newton's ring produced by:

Question # 2

The magnifying power of a simple microscope can be increased if we use eye piece of

Question # 3

Whenever high magnification is desired

Question # 4

When the same object is viewed at a shorter distance the image on the retina of eye is ______ and so the object appears ______

Question # 5

Confining the light vibrations in one plane is called:

Question # 6

 In the phenomenon of interference, the bright and dark fringes are of

Question # 7

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

Question # 8

In case of interference fringes:

Question # 9

In Young's double slit experiment, the fringe width depends on

Question # 10

Which effect provides direct experiment evidence that light is a transverse rather than a longitudinal,wave motion?

Question # 11

In Newton,s rings apparatus, we also use

Question # 12

Optical fibres are of

Question # 13

The light signal in graded index fibre is totally confined due to

Question # 14

Can two lights of car can produce interference

Question # 15

A line which represents the direction of travel of a wave is known as:

Question # 16

Light signals in an optical fibre eventually become dim and must be regenerated by devices called

Question # 17

In Newton s rings the central spot appears dark due to

Question # 18

Ultra-violet rays differ from X-rays in that ultra - violet rays

Question # 19

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

Question # 20

According to the Huygen's principle, the secondary wavelets propagate in the forward direction with a speed equal 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 Zero order image formed by the grating when the angle the along the direction of normal to grating is
A. Zero
B. 90o
C. 180o
D. None of these
2 According to the Huygen's principle, the secondary wavelets propagate in the forward direction with a speed equal to
A. speed of wave motion
B. speed of medium
C. speed of electrons
D. speed of protons
3 To wavelength of light by his experiment , Newton utilized:
A. Wavelength of light
B. Intensity of light
C. amplitude wave
D. None of above
4 In YDS experiment, condition for constructive interference is that path difference is equal to
A. nλ
B. mλ
C. (n + 1/2)λ
D. (m + 1/2)λ
5 Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index
A. Directly proportional
B. Inversely proportional
C. Sometimes inversely
D. Equal
6 Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is
A. 4 x 10-10m
B. 2 x 10-10m
C. 0.2 x 10-10m
D. 20 x 10-10m
7 The typical example/examples of optically active crystals
A. Quartz
B. Crystals of sodium chlorate
C. Crystals of sodium chloride
D. a and b
8 Telescope is an optical device used for viewing
A. Near objects
B. Not far distance
C. Distant objects
D. b and c
9 The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in
A. 1920
B. 1926
C. 1910
D. 1914
10 For constructive interference the path difference is
A. mλ
B. (m-1)λ
C. m2λ
D. 1/2mλ

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