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 polarized can be achieved by using process like

Question # 2

Which does not show polarization

Question # 3

In electromagnetic waves electric and magnetic field ar

Question # 4

When the same object is viewed at a shorter distance the image on the retina of eye is ______ and so the object appears ______

Question # 5

With the help of interferometer, we can find the

Question # 6

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 7

In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara

Question # 8

Using a graded index fibres the time difference is reduced to about

Question # 9

A diffraction grating contains 5000 lines per centimeter, its grating element will be

Question # 10

A simple telescope is consists of

Question # 11

If the slits in YDS experiment are made closer, fringe spacing will:

Question # 12

Huygen principle is used to determine:

Question # 13

Least distance of distinct vision

Question # 14

Multimode step index fibre is useful for

Question # 15

2 d sin θ = nλ can be used to determine the

Question # 16

A polaroid is:

Question # 17

Which of the following radiation will be focused farthest from a convex lens

Question # 18

The transmission of information by light waves may be

Question # 19

When interference of light takes place

Question # 20

Which of the following is conserved when light waves interfere

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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 multi-mode step index optical fibre, the central core has
A. high refractive index and low density
B. low refractive index and density
C. low refractive index and low density
D. high refractive index and high density
2 The total internal reflection takes place for glass-air boundary is then the angle is
A. Equal to 41.8o
B. Greater than 41.8o
C. Less than 41.8o
D. None of these
3 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
4 A polaroid is:
A. An adjustable shutter
B. A device used to analyze polarized light
C. A device used in polarimeter
D. A light filter
5 The speed of light in other material is always
A. Greater than c
B. Less than c
C. Equal to c
D. None of these
6 Which of the following is an optical fibre in which the density of central core decreases towards its periphery?
A. multi-mode step index fibre
B. multi-mode graded index fibre
C. both of them
D. none of them
7 When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude
A. increases
B. decreases
C. remains unchanged
D. increases rapidly
8 Certain light of wavelength 600 nm is used to view an object under the microscope. If the aperture of its objective is 1.22 cm, then the limiting angle of resolution will be
A. 6 x 10-5rad
B. 7 x 10-5rad
C. 8 x 10-5rad
D. None of these
9 A material having high refractive index has
A. Low density
B. High density
C. Zero density
D. None of these
10 In young's double slit experiment the separation between the slit is halved and distance between the slit and screen is doubled.The fringe width is
A. Unchanged
B. Halved
C. Doubled
D. Quadrupled

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