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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is

Question # 2

Michelson's interferometer is an instrument used to measure the distance with

Question # 3

Every point of a wavefront may be considered as a

Question # 4

A completely transparent material will be invisible in vacuum when the refractive index n is

Question # 5

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

Question # 6

If the thickness of the film and angle of incidence are such that two reflected waves cancel each other the film will look

Question # 7

There will be no change in _______ of light entering glass

Question # 8

An optical fibre with its protective case may be typically 6.0 mm in diameter and yet it can replace bundle of copper of diameter

Question # 9

Frequency of red colour as compared to that of violet colour is:

Question # 10

How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper

Question # 11

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

Question # 12

The locus of all the points in the same phase of vibration is called:

Question # 13

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

Question # 14

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

Question # 15

The phenomenon of diffraction can be exhibited by

Question # 16

The medium in which speed of light is the same in all directions is called:

Question # 17

A convex lens is dipped in a liquid whose refractive index is equal to the material of the lens. Then its focal length will become

Question # 18

We can use Fibre optics system for

Question # 19

Photo phone was invented by

Question # 20

A convex ens acts as diverging lens when the object is placed

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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 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
2 Light waves produce interference when
A. source are monochromatic
B. source are phase coherent
C. sources are close together
D. all of them
3 The power loss can also take place due to
A. Information received can be inaccurate due to dispersion
B. Light signal may not be perfectly monochromatic
C. Signal accuracy may be affected by deflective source
D. All of these
4 Fire optics has ability to transmit
A. Thousand telephone conversation
B. Several television programs
C. Numerous data signals between stations
D. All of these
5 For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium
A. Greater, rarer, denser
B. Smaller, rarer, denser
C. Smaller, denser, rarer
D. Greater, denser, rarer
6 The magnifying power of a simple microscope can be increased if we use eye piece of
A. Higher focal length
B. Smaller focal length
C. Higher diameter
D. Smaller diameter
7 In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in
A. Low orders
B. Middle orders
C. High order
D. None of these
8 In an astronomical telescope the eye piece has the focal length fe if
A. Short
B. Long
C. Extremely long
D. None of these
9 The distance between the two mirrors can be varied by
A. Moving glass plate
B. Movable mirror
C. Compensator plate
D. None of these
10 Experimental demonstration of wave nature of light was given in 1801 by:
A. Newton
B. Maxwell
C. Thomas young
D. Compton

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