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

In Young s double slit experiment the separation between the slits in halved and the distance between the slits and the screen is doubled the fringe with will

Question # 2

The transmission of information by light waves may be

Question # 3

A mode of propagation of light through optical fibre in which the light within the fibre is

Question # 4

A normal to the waves front showing direction of propagating of wave is called

Question # 5

A shortsighted person can see clearly

Question # 6

Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?

Question # 7

Such a surface on which all the points have the same phase of vibration is known as

Question # 8

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 9

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

Question # 10

The multi-mode step index optical fibre, the central core has

Question # 11

On a diffraction grating which thing acts as a slit

Question # 12

Characteristics of optic fibre is/are

Question # 13

The bright fringes are termed as

Question # 14

The refractive index of a medium is defined as a ratio

Question # 15

A polaroid is:

Question # 16

Which of the following is not an application of polarization

Question # 17

The path difference involved in interference in thin films depends upon

Question # 18

A ______ lens is used in the apparatus to get Newton,s rings

Question # 19

The light source in the transmitter can be

Question # 20

In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be:

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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 Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?
A. 1/2
B. 2/3
C. 3/2
D. 2/1
2 Michelson's interferometer is an instrument used to measure the distance with
A. Precision
B. High precision
C. Extremely high precision
D. None of these
3 The range of the diameter of core in multimode graded index fibre is
A. 50 to 100 μm
B. 50 to 1000 μm
C. 50 to 1000 μm
D. None of these
4 Turn table is the plateform over which we place
A. Diffraction grating
B. Prism
C. Glass slab
D. a and b
5 The light source in the transmitter can be
A. semiconductor laser
B. LED
C. both of them
D. either of them
6 For glass-air boundary, the value of the critical angle is
A. 42°
B. 45°
C. 30°
D. 60°
7 A pulse of light in the optical fibres represents the number
A. 0
B. 1
C. 2
D. 3
8 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
9 Who confirm the wave theory of light ?
A. Newton
B. Michelson
C. Newton
D. Thomos Young
10 The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be
A. 1.6 x 104
B. 3 x 103
C. 2 x 106
D. 4 x 108

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