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

If focal length of objective is increased

Question # 2

Who proposed that light energy form a luminous source travels in space by means of wave motion?

Question # 3

The limit of which a microscope can be used to resolve details of an object, demands

Question # 4

In an astronomical telescope is the objective has the focal length fo is

Question # 5

Single mode step index fibre has a very thin core of about diameter

Question # 6

When crest of one wave coincides with the trough of the other wave, it give rise to

Question # 7

Which mode can carry more than 14 TV channels or 14000 phone cells?

Question # 8

Two sources are said to be coherent if they have:

Question # 9

Which of the following is conserved when light waves interfere

Question # 10

Ordinary light has components of vibrations in

Question # 11

Which of the following is conserved when light waves interfere?

Question # 12

In spectrometer the function of collimator is to produce

Question # 13

When sunlight falls on a soap bubble (film), it appears coloured because of

Question # 14

On a rainy day if there is an oil drop on tar road colored rings are seen around this drop This is because of

Question # 15

One cannot see through fog becuase

Question # 16

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 # 17

Spherical aberration can be reduced by using

Question # 18

Which one of the following can act approximately as a source of monochromatic light

Question # 19

The magnification is negative for

Question # 20

Light appears to travel in straight line because

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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 In case of reflection of ray within a denser medium, angle of incidnet is ______ -angle of reflection
A. Greater then
B. Smaller then
C. Equal to
D. None of these
2 If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:
A. Remains same
B. 1/2 times
C. 2 times
D. Infinite
3 A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on
A. λ only
B. d only
C. λ and d
D. λ d and distance of screen from the grating
4 In Young's double slit experiment for the interference of light, the central region of the fringe system is
A. Bright
B. Dark
C. Bright and dark
D. None of these
5 Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under
A. Sun light
B. Sodium light
C. Infrared
D. UV
6 Speed of light in vacuum depends upon:
A. Frequency
B. Wavelength
C. Amplitude
D. None of above
7 The maximum size of an object as seen by the naked eye is obtained when it is placed of
A. Far point
B. Near point
C. Distant point None of these
8 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
A. 100 to 200
B. 1000 to 10000
C. 100 to 1000
D. 1 or 2
9 The contrast in the fringes in an interference pattern depends upon
A. Fringe width
B. Relative intensities of the two sources
C. Distance between the slits
D. Wavelength
10 The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources
A. Angular magnification
B. Resolution
C. Magnification
D. None of these

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