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

An optical fiber carries data in the form

Question # 2

Spectrometer can be used to

Question # 3

Bending of light around sharp edges is known as

Question # 4

An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is

Question # 5

In Bragg's Equation 2d sin θ = nλ, where 'n' is

Question # 6

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Question # 7

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

Question # 8

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 # 9

Resolving power of a telescope depends on:

Question # 10

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

Question # 11

The time taken by the mirror M to rotate through an angle 2π/8 is

Question # 12

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

Question # 13

The image formed by an eyepiece of compound microscope is

Question # 14

Which is having minimum wavelength?

Question # 15

The fringe spacing varies directly with

Question # 16

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

Question # 17

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

Question # 18

Commercial polarizing material is

Question # 19

In a never system, the repeaters are placed at about

Question # 20

To observe interference of light the condition which must be met with is that the sources must 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 A line which represents the direction of travel of a wave is known as:
A. Spherical wavefront
B. Locus
C. Ray
D. Either B or C
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 If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by
A. λ/4
B. λ/2
C. λ
D. 3/2λ
4 Near and far points of a healthy human eye respectively are
A. 0 and 25 cm
B. 0 and infinity
C. 25 cm and 100 cm
D. 25 cm and infinity
5 The idea of Michelsion's interferometer is based on the
A. reflection of light
B. interference of light
C. refraction of light
D. all of them
6 According to Young s experiment if frequency of light used is halved then fringe width becomes
A. 2/3
B. Double
C. Remains constant
D. Fringe
7 The information carrying capacity in an optical fibre is called
A. wavelength
B. frequency
C. bandwidth
D. none of them
8 The minimum number of lenses used in compound microscope is
A. 1
B. 2
C. 3
D. 4
9 A single converging lens placed close to the eye to see magnified image is called
A. A telescope
B. Compound microscope
C. Simple microscope
D. None of these
10 When 'θ' is small then
A. tan θ ≈ sin θ
B. cos θ ≈ sin θ
C. sin θ ≈ tan θ
D. None of these

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