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

Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?

Question # 2

Rainbow is formed due to combination of

Question # 3

The diameter of an optical fibre with its protective case may be typically

Question # 4

Propagation of light in an optical fibre requires that the light should

Question # 5

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

Question # 6

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

Question # 7

Conditions for interference are that the two sources should be coherent and:

Question # 8

A usual way to obtain a plane wave is to place point source of light at the focus of a

Question # 9

The materials which are used in selective absorption method to polarize the light are

Question # 10

An object is placed between the focus and the optical center of the convex lens. The image formed is

Question # 11

In Young s double slit experiment if we use white light then

Question # 12

To demonstrate the phenomenon of interference we require two sources that emit radiation

Question # 13

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

Question # 14

The distance between the objective and eye-piece of a telescope in normal adjustment is

Question # 15

Single mode step index fibre is used to send

Question # 16

The central point in the Newton's rings is dark due to

Question # 17

When the light is incident on polarizing angle which of the following is completely polarized?

Question # 18

Calculate the critical angle when core refractive index is 1.50 and cladding of refractive index 1.48

Question # 19

When a ray of light goes from a denser medium into a rare medium

Question # 20

The phenomenon of blending of around edges of an obstacle 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 If the slits in YDS experiment are made closer, fringe spacing will
A. Increase
B. Decrease
C. Remain same
D. None of these
2 The image of the tip of a needle is never sharp because of
A. Polarization of light
B. Interference of light
C. Diffraction of light
D. Reflection of light
3 Conditions for interference are that the two sources should be coherent and:
A. At the far off distance
B. Close together
C. Coinciding
D. None of these
4 The ratio of the diameter of two convex lenses is the ratio of their focal lengths
A. Greater than
B. Less than
C. Equal to
D. None
5 What is the main cause of the shinning of diamond?
A. Reflection
B. Refraction
C. Total internal reflection
D. Dispersion of light
6 Which of the following atoms cannot be detected by X-ray crystallography?
A. carbon
B. nitrogen
C. hydrogen
D. neon
7 A spectrum which contains all wavelengths without any break is called
A. Emission spectrum
B. Line spectrum
C. Continuous emission spectrum
D. All of them
8 The property of light which does not change with the nature of the medium is
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
9 Power loss taken place when a light signal travels along fibres by
A. Multiple reflection
B. Light absorbed due to impurities in glass
C. At joint some light is scattered by group of atoms
D. All of these
10 The distance between the two adjacent slits is called
A. Thickness of the slit
B. Distance between and two slits
C. Grating element
D. None of these

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