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

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

Question # 2

Graham Bell photo phone used a modulated beam of

Question # 3

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

Question # 4

The regular array of atoms in a crystal has spacing of the order of

Question # 5

When a plane polarized light is passed through certain crystals they

Question # 6

Every point of a wavefront may be considered as a

Question # 7

Michelson,s interferometer can be used to measure

Question # 8

Turn table is the plateform over which we place

Question # 9

Telescope is an optical device used for viewing

Question # 10

Sunlight is also partially polarized because of Earth's atmosphere due to scattering by

Question # 11

When the object lies between F and 2F the image formed by a convex lens is

Question # 12

Which of the following properties show light is transverse wave in nature?

Question # 13

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

Question # 14

A prism splits a beam of white light into seven component colors. This is so because

Question # 15

The ultra-purity of optical fibre is

Question # 16

If the bright fringe into be observed then we have relation

Question # 17

If f = 5 cm and d = 25 cm then the magnification will be

Question # 18

Who gave the idea of light as wave ?

Question # 19

The ability of an instrument of reveal the minor details of an object under examination is called

Question # 20

A diffraction pattern is obtained using a beam of red light What will happen if the red light is replaced by blue light?

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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 What is the main cause of the shinning of diamond?
A. Reflection
B. Refraction
C. Total internal reflection
D. Dispersion of light
2 Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?
A. Light can be diffracted
B. Two coherent light waves can be made to interfere.
C. The intensity of light from a point source falls off inversely as the square of the distance from the source
D. Light can be polarized
3 The angle of incidence at which angle of refraction becomes 900 is called
A. Incident angle
B. Angle of refraction
C. Critical angle
D. Phase angle
4 When the object is closer to eye or near point, the image becomes
A. Sharp
B. Clear visible
C. Blurred
D. None of these
5 The function of colimator is
A. To converge the incoming rays
B. To make the parallel rays from source
C. In which the source of light is kept
D. None of these
6 The brilliance of diamond is
A. Entirely due to refractive index
B. Entirely due to total internal reflection
C. Partly due to total internal reflection
D. None of the above
7 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?
A. The entire field of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
8 Repeaters are the devices which regenerate the signals and are placed at about
A. 20 km
B. 30 km
C. 40 km
D. 50 km
9 In light waves, the components of electric and magnetic fields are
A. parallel to each other
B. anti-parallel to each
C. right angle to each other
D. none of them
10 In an interference fringes pattern the fringes are
A. Equally spaced
B. Wider near the centre and narrower away from it
C. Narrower near the centre and wider away from it
D. None of these

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