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

The study of atomic structures of crystals by X-rays was started in

Question # 2

To find wavelength of light by his experiment. Newton utilized:

Question # 3

The reflected light is

Question # 4

If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at

Question # 5

The light form Sun reaches earth in the form of

Question # 6

An optical fibre with its protective case may be typically

Question # 7

At the point of contact of the lens and the glass plate, the Newton's ring is

Question # 8

In normal adjustment, the length of the telescope is

Question # 9

Which one light source can travel faster through optical fibre is

Question # 10

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

Question # 11

Which optical fibre is used for shorter distances only?

Question # 12

The magnifying power of an instrument is expressed in

Question # 13

Resolving power of a telescope depends on:

Question # 14

If focal length of objective is increased

Question # 15

The splitting of white light into several colors on passing through a glass prism is due to

Question # 16

Inspite of different dispersion, all the wavelengths arrive at the other end of the fibre at the same time. With a step-index fibre overall time difference may be about

Question # 17

Graham Bell photo phone used a modulated beam of

Question # 18

The idea of Michelsion's interferometer is based on the

Question # 19

In a never system, the repeaters are placed at about

Question # 20

Which phenomenon of light takes place in Young's double-slit experiment?

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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 light waves and radio waves differ in
A. Speed
B. Frequency
C. Wavelength
D. Both B and C
2 At points where the crest (or trough) of one wave coincides with the crest (or trough) of the other wave, the wave produces
A. destructive interference
B. constructive interference
C. diffraction
D. dispersion
3 How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm
A. 200
B. 300
C. 20.4
D. 2.3
4 The light produced by a laser is all the following except
A. Incoherent
B. Monochromatic
C. In the form of a narrow beam
D. Electromagnetic
5 Which light travels faster in optical fibres?
A. visible light
B. ultraviolet
C. infra-red
D. any one of them
6 Diffraction of X-ray by crystals show that
A. The intensity of X-rays
B. X-rays have very short wavelength
C. X-rays are electromagnetic waves
D. A-rays are just like visible light
7 A diffraction grating has 500 liens per mm. its slit spacing or grating element will
A. 500 mm
B. 5 x 10-3 mm
C. 2 x 10-5mm
D. 2 x 10-3mm
8 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
9 To get high resolving power for a telescope one should use
A. Objective of large aperture
B. Objective of large focal length
C. Eye piece of large focal length
D. Eye piece of small focal length
10 The concentration in solution can be determined by the property known as
A. Solubility
B. Insolubility
C. Optical activity
D. None of these

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