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

Monochromatic light directly means waves of

Question # 2

The regular array of atoms in a crystal has spacing of the order of

Question # 3

The typical wavelength of the signal which we sent in the optical fibre is

Question # 4

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

Question # 5

If the slits in YDS experiment are made closer, fringe spacing will

Question # 6

If f = 5 cm and d = 25 cm then the magnification will be

Question # 7

The refractive index of a medium is defined as a ratio

Question # 8

Cladding means a layer of ______ refractive index over the central core of ______ refractive index

Question # 9

The minimum number of lenses used in compound microscope is

Question # 10

Power of a lens is equal to

Question # 11

A converging lens in used to from an image on a screen when the upper half of the lens is covered by an opaque screen

Question # 12

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

Question # 13

The image of the tip of a needle is never sharp because of

Question # 14

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 15

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 16

Who attempted to measure the speed of light

Question # 17

Laws of reflection and refraction can also be explained by:

Question # 18

Which one of the following can act approximately as a source of monochromatic light:

Question # 19

The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber

Question # 20

Due to dispersion effects, white light source is useful for

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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 Single mode step index fibre has a very thin core of about diameter
A. 5.5 μm
B. 9.5 μm
C. 5.0 μm
D. All of these
2 Which of the following atoms cannot be detected by X-ray crystallography?
A. carbon
B. nitrogen
C. hydrogen
D. neon
3 In thin film colours are due to
A. Reflection
B. Interference
C. Diffraction
D. Refraction
4 Light is a type of energy which produces sensation of
A. Sound
B. Feeling
C. Vision
D. None of these
5 The distance between the objective and eye-piece of a telescope in normal adjustment is
A. f/0-fe
B. f0+fe
C. 2fe-fe
D. None of these
6 Light has:
A. Wave nature
B. Particle nature
C. Dual nature
D. None of them
7 The spacing between lines of diffraction grating is
A. Opaque
B. Transparent
C. Semi-transparent
D. None of these
8 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
9 The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
A. Equal to
B. Greater than
C. Smaller than
D. None of these
10 Sunset makes sky appears reddish because of:
A. Diffraction of sun rays
B. Refraction of light
C. Scattering of light from dust particles
D. Polarization of ligth

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