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

According to Young s experiment if frequency of light used is halved then fringe width becomes

Question # 2

Power loss taken place when a light signal travels along fibres by

Question # 3

In Young's double slit experiment, the widths of dark and bright fringes are

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The fringe spacing in case of blue light

Question # 8

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

Question # 9

A glass plate on which a large number of very fine equidistant parallel lines are drawn is called

Question # 10

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 11

Sky seems blue due to

Question # 12

The spacing between the parallel lines are served as

Question # 13

The diffraction grating is used to measure

Question # 14

With the help of interferometer, we can find the

Question # 15

Light waves are:

Question # 16

If the bright fringe into be observed then we have relation

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

When interference of light takes place

Question # 19

For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium

Question # 20

A point source in a homogeneous medium gives rise 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 Telescope is an optical device used for viewing
A. Near objects
B. Not far distance
C. Distant objects
D. b and c
2 2 d sin θ = nλ can be used to determine the
A. Inter planar spacing
B. Wavelength
C. Incident angle
D. All of these
3 A diffraction grating has 500 liens per mm. its slit spacing or grating element will
A. 500 mm
B. 5 x 10-3 mm
C. 2 x 10-5mm
D. 2 x 10-3mm
4 If a glass slab is placed in the path of a converging beam of light The point of convergence of light
A. Moves away from the glass slab
B. Moves towards the glass slab
C. Remains at the same point
D. Moves straight
5 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
6 The experimental evidence in support of wave theory in Huygen's time was
A. not present
B. not convincing
C. convincing
D. none of them
7 The image formed after objective lens of an astronomical telescope is
A. Inverted
B. Diminished
C. Real
D. All of these
8 The plane of polarization is rotated many degrees when a thickness of such crystal is
A. One millimeter
B. Less than one millimeter
C. A few millimeter
D. None of these
9 For obtaining equal and same height mirror should be
A. Convex
B. Concave
C. Plane
D. None
10 A compound microscope is consists of an eye piece  of focal length
A. Short
B. Very short
C. Large
D. Very large

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