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

For the normal setting of a telescope

Question # 2

Single mode step index fibre has feature/s like

Question # 3

If the path difference must be an integral multiple of wavelength

Question # 4

In newton's rings see through the reflected light, centeral spo is:

Question # 5

Electromagnetic waves transport:

Question # 6

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

Question # 7

An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is

Question # 8

When a ray of light enters a denser medium from a rarer medium,its:

Question # 9

A line which represents the direction of travel of a wave is known as

Question # 10

A beam of light enters air from water.Which of the following characteristics of light will not change in water

Question # 11

The wavelength of X-rays is about

Question # 12

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 # 13

Wave length of red colour as compared to that of violet colour is:

Question # 14

Inverse square law for luminace is valid for

Question # 15

The blending of light when it passes from one medium to another is known as:

Question # 16

The refractive index of a medium is defined as a ratio

Question # 17

When interference of light takes place

Question # 18

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 # 19

 In the phenomenon of interference, the bright and dark fringes are of

Question # 20

The absence of light in the optical fibres represents the number

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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 Telescope is an optical device used for viewing
A. Near objects
B. Not far distance
C. Distant objects
D. b and c
2 On a diffraction grating a large number of close parallel equidistant slits are ruled on it
A. By hand
B. electronically
C. mechanically
D. none of them
3 Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is
A. 5I
B. 9I
C. 16I
D. 25I
4 For the normal setting of a telescope
A. Only the object is at infinity
B. Only the final image is at infinity
C. Both the object and the final image is at infinity
D. Neither the object nor the final image has to be at infinity
5 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
6 Which is having minimum wavelength?
A. X-rays
B. Ultra-violet rays
C. Y-rays
D. Cosmic rays
7 Electromagnetic waves from a source were found to be significantly diffracted when passing through gaps of the order of 10 m. What type of waves are they likely to be?
A. gamma waves
B. light waves
C. microwaves
D. radiowaves
8 If the path difference must be an integral multiple of wavelength
A. sin θ = md/λ
B. d sin θ = mλ
C. d sin θ = m/λ
D. d sin θ = λ/m
9 Fraunhofer spectrum is a
A. Line absorption spectrum
B. Band absorption spectrum
C. Line emission spectrum
D. Band emission spectrum
10 In diffraction grating has feature/features like
A. A glass plate
B. A large numbers of lines are ruled
C. Spacing between two lines acts as a slit
D. All of these

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