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

When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is

Question # 2

The conversion of electrical signals into light signals taken place due to

Question # 3

If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  

Question # 4

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

Question # 5

A point on the surface of the mirror where principle axis meets is called

Question # 6

The typical example/examples of optically active crystals

Question # 7

With the help of interferometer, we can find the

Question # 8

The property of light which makes light possible to be transmitted into inaccessible place is

Question # 9

Who gave the corpuscular nature of light

Question # 10

In order to get interference using two light rays:

Question # 11

The ratio of size of the image to the size of the object is called

Question # 12

When the object is closer to eye or near point, the image becomes

Question # 13

If the path difference must be an integral multiple of wavelength

Question # 14

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

Question # 15

The speed of light in a medium of refractive index 1.5 is

Question # 16

If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute

Question # 17

In case of interference fringes:

Question # 18

Who proposed wave theory of light

Question # 19

The function of compensator plate in interferometer is to

Question # 20

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

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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 A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity
A. 6
B. 5
C. 1.5
D. 7
2 If Young s double slit experiment is immersed in water then the fringes with
A. Decreases
B. Remains unchanged
C. Becomes infinite
D. Increases
3 When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in
A. Final adjustment
B. Normal adjustment
C. Initial adjustment
D. None of these
4 The digital modulation is expressed in
A. Bytes
B. Codes
C. Bits
D. None of these
5 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
6 Diffraction effect is
A. More for a round edge
B. More for a sharp edge
C. Less for a sharp edge
D. None of these
7 In Young's double slit experiment, the widths of dark and bright fringes are
A. different
B. equal
C. zero
D. variable
8 Who proposed that light energy form a luminous source travels in space by means of wave motion?
A. Newton
B. Maxwell
C. Einstein
D. Huygen
9 When crest of one wave falls on the crest of the other wave. This phenomenon is known as:
A. Destructive interference
B. Diffraction
C. Polarization
D. Constructive interference
10 When a mirror of a Michelsion's interferometor is moved a distance of 0.5 mm, 2000 fringes are observed, the wavelength of the light used is
A. 5000 mm
B. 5000°A
C. 500 cm
D. 2000°A

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