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

A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is

Question # 2

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 3

Sunlight is also partially polarized because of Earth's atmosphere due to scattering by

Question # 4

The colour of light is determined by is

Question # 5

In case of a point source, the shape of the wavefront is

Question # 6

Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces

Question # 7

The fine rulings on a compact disc as a diffraction grating but each line is wide like

Question # 8

At points where the crest (or trough) of one wave coincides with the crest (or trough) of the other wave, the wave produces

Question # 9

The twinkling of stars is due to

Question # 10

Which Phenomenon proves that nature of light is transverse

Question # 11

In an astronomical telescope is the objective has the focal length fo is

Question # 12

In YDS experiment using white light

Question # 13

The light waves and radio waves differ in

Question # 14

According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light

Question # 15

The components of a fibre optic communication system is/are

Question # 16

The scattering of X-rays from atoms in a crystalline lattice gives rise to

Question # 17

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

Question # 18

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 19

The light form Sun reaches earth in the form of

Question # 20

The distance between the two adjacent slits is called

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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 fibre optic communication system consists of
A. one major component
B. two major components
C. three major components
D. four major components
2 The minimum distance between a source and the screen for which a real image is possible with a convex lens is
A. Its focal length
B. Twice the focal length
C. Four times the focal length
D. Square of the focal length
3 The plane of polarization is rotated many degrees when a thickness of such crystal is
A. One millimeter
B. Less than one millimeter
C. A few millimeter
D. None of these
4 Which part of the spectrum is most visible?
A. Red
B. Violet
C. Yellow
D. Yellow-green
5 According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.
A. Base
B. Source
C. Producer
D. Origin
6 Who confirm the wave theory of light ?
A. Newton
B. Michelson
C. Newton
D. Thomos Young
7 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
A. 25 cm
B. 5 cm
C. 2.5 cm
D. 5 mm
8 If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the
A. Same directions
B. Different direction
C. Opposite direction
D. None of these
9 The speed of light in a medium of refractive index 1.5 is
A. 3 x 108ms-1
B. 4.5 x 108ms-1
C. 2.0 x 108ms-1
D. None of these
10 The spacing between lines of diffraction grating is
A. Opaque
B. Transparent
C. Semi-transparent
D. None of these

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