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

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 2

The phenomenon of polarization proves that the light waves are

Question # 3

The resolving power of telescope depends on

Question # 4

Using a graded index fibres the time difference is reduced to about

Question # 5

The resolution of microscope depends on objective's

Question # 6

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Question # 7

If the slits in YDS experiment are made closer, fringe spacing will:

Question # 8

A circular scale is attached and graduated in

Question # 9

The contrast in the fringes in an interference pattern depends upon

Question # 10

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 11

The ultra-purity of optical fibre is

Question # 12

For the normal setting of a telescope

Question # 13

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 # 14

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

Question # 15

Monochromatic light directly means waves of

Question # 16

In an interference pattern of Ypung's double Slit (YDS) experiment:

Question # 17

The light source in the transmitter can be either

Question # 18

Huygen's wave front which sends out secondary wavelets with a speed equal to

Question # 19

The speed of light in other material is always

Question # 20

If the red light is replaced by blue light illuminating the object in a microscope the resolving power of the microscope

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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 least distance of distinct vision for a normal eye is
A. 15 cm
B. 25 cm
C.
35 cm
D. 1 m
2 Least distance of distinct vision
A. Decrease with increasing age
B. Increases with increasing age
C. Does not vary with age
D. May increase or decrease with age
3 With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 1 ns per km
B. 10 ns per km
C. 43 s per km
D. 33 ns per km
4 The light signal in an optical fibre is totally confined due to the
A. total internal reflection
B. continuous refraction
C. both of them
D. either of them
5 In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be:
A. 0.5 cm
B. 0.5 mm
C. 0.5 nm
D. 0.5 m
6 By which principle we can locate the position of new wavefront after a later time?
A. principle of irreversibility
B. principle of light
C. Archimedes principle
D. Huygen's principle
7 A monochromatic source of light gives light of
A. one colour
B. two colours
C. four colours
D. seven colours
8 If the thickness of the film and angle of incidence are such that two reflected waves cancel each other the film will look
A. Dark
B. Bright
C. May be partly bright
D. None of these
9 The unit of power of a lens is
A. Meter
B. Watt
C. Horsepower
D. Dioptre
10 Ordinary light has components of vibrations in
A. one direction only
B. two directions
C. four directions
D. all directions

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