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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Which phenomenon of light takes place in Young's double-slit experiment?

Question # 2

Conditions for interference are that the two sources should be coherent and

Question # 3

The ultra-purity of optical fibre is

Question # 4

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

Question # 5

Wavelength of light, on the average, is given by

Question # 6

With the help of interferometer, we can find the

Question # 7

An image formed by a concave lens is always

Question # 8

The magnifying power of a compound microscope can be increased if we use objective lens of

Question # 9

The waves produced in a stretched string are called

Question # 10

Spectrometer using diffraction grating can measure

Question # 11

The length of the standard metre measured by Michelsion's interferometer comes out to be

Question # 12

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

Question # 13

A beam of light enters air from water.Which of the following characteristics of light will not change in water?

Question # 14

The difference between 1st ring fringe and 1st dark fringe is measured as

Question # 15

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

Question # 16

Which of the following is conserved when light waves interfere

Question # 17

The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as

Question # 18

Which of the following is an optically active material

Question # 19

In Young s experiment the distance between two adjacent fringes for blue light is than that for green light

Question # 20

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

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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 line normal to the wave front is called
A. A beam of light
B. A ray of light
C. Both
D. None of these
2 Given that grating element = 0.2 x 10-3cm in case of a diffraction grating. Then number of lines per centimeter will be
A. 500000
B. 5000
C. 50
D. 5
3 If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the
A. Same directions
B. Different direction
C. Opposite direction
D. None of these
4 In electromagnetic waves electric and magnetic field ar
A. Parallel
B. Antiparallel
C. Perpendicular
D. Sometimes parallel sometimes perpendicular
5 A grating with high resolving power can distinguish ______ difference in ______
A. Smaller, amplitude
B. Greater, wavelength
C. Smaller, wavelength
D. Greater, intensity
6 The blending of light when it passes from one medium to another is known as:
A. Refraction
B. Interfarance
C. Polarization
D. Both (B) and (C)
7 Wavelength of light, on the average, is given by
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
8 If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at
A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
9 When a light signal travels along the length of the optical fibre, the power lost by it is due to
A. Reflection
B. Refraction
C. Seattering and absorption
D. Diffraction
10 The typical wavelength of light source in transmitter is
A. 1.1 μm
B. 1.2 μm
C. 1.3 μm
D. 1.4 μm

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