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 idea of Michelsion's interferometer is based on the

Question # 2

The light signal in an optical fibre is totally confined due to the

Question # 3

If d = 0.25 cm   Y = 0.059 cm   L = 100 cm    m = 2 then λ is equal to

Question # 4

Light appears to travel in straight line because

Question # 5

Huygen's wave theory of light cannot explain

Question # 6

If the power of a lens is 4 diopters then is focal length is

Question # 7

The conversion of electrical signals into light signals taken place due to

Question # 8

If the bright fringe into be observed then we have relation

Question # 9

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

Question # 10

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

Question # 11

Spherical aberration can be reduced by using

Question # 12

A sun rise or sun set the sun looks reddish because

Question # 13

Which type of fibre is used to send the signals of long distances?

Question # 14

There will be no change in _______ of light entering glass

Question # 15

In Michelsion's interferometer, if 'm' number of fringes are passed in front of a reference point when the moveable mirror is moved a distance L, then

Question # 16

The transmission of information by light waves may be

Question # 17

Least distance of distinct vision

Question # 18

The fringe spacing in case of red light

Question # 19

The bright fringes are termed as

Question # 20

The fringes produced in Young's double slit experiment will be wider if the distance between the two slits 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 When the object lies between F and 2F the image formed by a convex lens is
A. Real
B. Virtual
C. Diminished
D. Erect
2 The light produced by a laser is all the following except
A. Incoherent
B. Monochromatic
C. In the form of a narrow beam
D. Electromagnetic
3 The relation for the diffraction pattern, when it is minimum
A. d/2 sin θ = λ
B. sin θ = λ/2
C. d sin θ = λ
D. None of these
4 Which is having minimum wavelength?
A. X-rays
B. Ultra-violet rays
C. Y-rays
D. Cosmic rays
5 2 d sin θ = nλ can be used to determine the
A. Inter planar spacing
B. Wavelength
C. Incident angle
D. All of these
6 The light source used in multimode step index fibre is
A. A monochromatic source
B. Red light
C. White light
D. None of these
7 In a compound microscope the intermediate image is
A. Virtual erect and magnified
B. Real,erect and magnified
C. Virtual,inverted and magnified
D. Virtual,erect and reduced
8 The focal length of the lens of human eye
A. Is fixed
B. Varies from zero to infinity
C. Can be increased only
D. Can be decreased only
9 In Multimode step index fibre the refractive index from its centre to the boundary is
A. 1
B. 1.55
C. 1.52
D. 1.43
10 The locus of all points in a medium having same phase of vibration is called:
A. Crest
B. Trough
C. Wavelength
D. Wavefront

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