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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Newton's rings are formed due to

Question # 2

An object is placed between two parallel mirrors the number of images formed is

Question # 3

If the light travels in a straight line, the central region should appear

Question # 4

Light is a type of energy which produces sensation of

Question # 5

In thin film colours are due to

Question # 6

When observed by transmitted light, the central band of newton's ring system consists of:

Question # 7

The bottom of a container filled with liquid appear slightly raised because of

Question # 8

An object is placed at a distance of f/2 from a convex lens.The Image will be

Question # 9

Sky seems blue due to

Question # 10

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 11

The appearance of colours in the shape (or oil) film results from:

Question # 12

Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward

Question # 13

Speed of light in vacuum is

Question # 14

Which one the following gives three regions of electromagnetic sepctrum in order of increasing wavelength?

Question # 15

Which characteristics of wave, established the Huygen's wave theory in 1801?

Question # 16

A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity

Question # 17

Maximum number of orders available with a grating is ______ grating element

Question # 18

When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions is

Question # 19

Light waves produce interference when

Question # 20

The phenomenon of polarization proves that the light waves are

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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 When a light signal travels along the length of the optical fibre, the power lost by it is due to
A. Reflection
B. Refraction
C. Seattering and absorption
D. Diffraction
2 If the wavelength of light used in Michelsion's interferometer is 400 nm and the moveable mirror only moved throughλ/4, then the length moved will be
A. 10 nm
B. 10-2mm
C. 1 nm
D. 10-4mm
3 What is the time taken by light to travel 4 mm in a material of refractive index 3
A. 4 x 10-11 s
B. 2 x 10-11 s
C. 16 x 10-11 s
D. 8 x 10-11 s
4 In the Young's double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled the fringe width is
A. Halved
B. Unchanged
C. Doubled
D. Quadrupled
5 The light signal in an optical fibre is totally confined due to the
A. total internal reflection
B. continuous refraction
C. both of them
D. either of them
6 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara
A. 2,2
B. 2,3
C. 3,2
D. 3,3
7 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
8 The practical use of services by optic fiber is
A. Two way television
B. World processing
C. Image transmitting and receiving equipment
D. All of these
9 The time taken by light for its passage from M to m and back is
A. 2c/d
B. d/2c
C. 2d/c
D. d2/2c
10 A tourmaline crystal is being used as an analyzer In one complete rotation of the crystal the number of excitation will be
A. 0
B. 1
C. 2
D. 4

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