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

For interference to occur, the light coming from the two slits should

Question # 2

Colours seen on oily water surface by the incident white light is due to

Question # 3

Turn table is the plateform over which we place

Question # 4

The distance between the two mirrors can be varied by

Question # 5

A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is

Question # 6

The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically

Question # 7

The minimum distance between an object and its image in a convex lens is

Question # 8

To observe interference of light the condition which must be met with is that the sources must be:

Question # 9

The most common method to obtain plane polarized light by using dichoric substance is:

Question # 10

Ordinary light has components of vibrations in all possible planes. Such light is

Question # 11

Sky seems blue due to

Question # 12

The resolving power of human eye is

Question # 13

A compound microscope is consists of

Question # 14

Power loss taken place when a light signal travels along fibres by

Question # 15

In order to get interference using two light rays:

Question # 16

Longitudinal waves do not exhibit

Question # 17

For single slit diffraction the first minimum occurs when

Question # 18

The wave nature of light was proposed by

Question # 19

Which of the following frequency ranges includes most of the electromagnetic waves emitted by the ultra - violet tubes used in a sun bed?

Question # 20

If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes 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 A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33
2 In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves
A. Greater then
B. Smaller then
C. Equal to
D. None of these
3 To get high resolving power for a telescope one should use
A. Objective of large aperture
B. Objective of large focal length
C. Eye piece of large focal length
D. Eye piece of small focal length
4 An object is placed at a distance of f/2 from a convex lens.The Image will be
A. At one of the foci,virtual and double its size
B. At,3/f real and inverted
C. At 2f,virtual and erect
D. At f,real and inverted
5 The function of compensator plate in interferometer is to
A. Interfere properly
B. To equalize the distance of M1 and M2
C. Reflecting light properly
D. None of these
6 If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is
A. 200
B. 240
C. 260
D. 280
7 The transmitter in optical fiber system contains a device called
A. LED
B. Diode
C. Transistor
D. None of these
8 YDS experiment can be used to determine:
A. Grating element
B. Fringe spacing
C. Wave length of monochromatic light
D. Frequency of wave light
9 In Michelsion's interferometer, if a dark fringe is seen in the beginning, the next dark fringe will appear by moving the moveable mirror through a distance
A. λ/2
B. λ/4
C. λ
D. 2λ
10 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these

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