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

Which one of the following phenomenon cannot be explained on the bases of Huygen's theory?

Question # 2

An object is placed at a distance of f/2 from a convex lens.The Image will be

Question # 3

The components of a fibre optic communication system is/are

Question # 4

When observed by transmitted light, the central band of newton's ring system consists of:

Question # 5

The wave propagates in space by the motion of the

Question # 6

The diffraction grating is used to measure

Question # 7

Which does not show polarization?

Question # 8

Such a surface on which all the points have the same phase of vibration is known as

Question # 9

According to Huygen's principle, every point of a wavefront may be considered as a source of

Question # 10

If red light is incident on sea water it appears

Question # 11

The power loss can also take place due to

Question # 12

A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?

Question # 13

A line normal to the wave front is called

Question # 14

Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces

Question # 15

How many phone calls can be carried by single mode step index fibre

Question # 16

In electromagnetic waves electric and magnetic field ar

Question # 17

In an interference pattern of Young,s Double Slit (YDS) experiment

Question # 18

The disadvantage of the step-index fibre can be reduced by

Question # 19

An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is

Question # 20

The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

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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 For destructive interference the path difference is give by:
A. (m-1/2)λ
B. (m+1/2)λ
C. mλ
D. 1/2 mλ
2 Whenever high magnification is desired
A. A telescope is used
B. A compound microscope is used
C. A microscope is used
D. None of these
3 Which one of the following can act approximately as a source of monochromatic light
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. none of these
4 If f = 5 cm and d = 25 cm then the magnification will be
A. 2
B. 4
C. 5
D. 6
5 A limited region taken on a wavefront which is far away form the source is
A. plane wavefront
B. circular wavefront
C. spherical wavefront
D. elliptical wavefront
6 If N is the number of rulings on the grating, then the resolving power in the mth order diffraction equals to
A. R = N × m
B. R = N/m
C. R = m/N
D. R = N × m2
7 Light signals in an optical fibre eventually become dim and must be regenerated by devices called
A. transmitters
B. receivers
C. photodiodes
D. none of them
8 In young's slit experiment on interference the ratio of the intensities of a bright band and a dark band is 6 : 1 the ratio of the amplitudes o the interfering waves is
A. 16
B. 5/3
C. 4
D. 1/4
9 At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2
A. 50 m
B. 10 m
C. 5 m
D. 1 m
10 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct

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