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 diffraction grating contains 5000 lines per centimeter, its grating element will be

Question # 2

When the light from two lamps falls on a screen, no interference pattern can be obtained. Why is this?

Question # 3

The fringe spacing in case of red light

Question # 4

An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is

Question # 5

In an interference pattern of Young,s Double Slit (YDS) experiment

Question # 6

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Question # 7

In a never system, the repeaters are placed at about

Question # 8

In case of interference fringes:

Question # 9

In electromagnetic waves electric and magnetic field ar

Question # 10

For a point source of light the wave front produced are

Question # 11

Commercial polarizing material is

Question # 12

Speed of light in vacuum depends upon:

Question # 13

The diffraction is found to be prominent when the wavelength of light is

Question # 14

Which of the following spectrum have all the frequencies from high to low frequency range?

Question # 15

A compound microscope is consists of objective of

Question # 16

A diffraction grating has 500 liens per mm. its slit spacing or grating element will

Question # 17

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 18

In order to observe interference , the interfering beams must be

Question # 19

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

Question # 20

Diffraction of X-ray by crystals show that

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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. Thick core and large cladding
B. Thick core and shorter cladding
C. Thin core and shorter cladding
D. Thin core and larger cladding
2 The different parts of spectrometer
A. Collimator
B. Turn table
C. Telescope
D. All of these
3 A single step index fibre can carry more than
A. 14 TV channels
B. 14,000 phone calls
C. 16 TV channels
D. a and b
4 Television signal are converted into light signals by
A. Decoder
B. Transistor
C. Photodiode
D. Optical fibre
5 A polarizer is used to
A. Reduced intensity of light
B. Produce polarized light
C. Increase intensity of light
D. Produce unpolarised light
6 In Young's double slit experiment fringe width (or fringe spacing) depends
A. inversely on wavelength
B. directly on wavelength
C. directly on square of wavelength
D. inversely on square of wavelength
7 The wavefront formed at very large distance from the source is:
A. Cylindrical
B. Spherical
C. Elliptical
D. Plane
8 Which one the following gives three regions of electromagnetic sepctrum in order of increasing wavelength?
A. Gamma rays, micro waves, visible light
B. Radio waves, ultraviolet waves, X-rays
C. Ultraviolet rays, Infrared rays, micro waves
D. Visible light, gamma rays, radio waves
9 Why laser rays are used to measure long distance?
A. Laser rays propagate in a straight
B. Laser rays are not absorbed
C. Laser rays are most coherent waves
D. Laser rays are high velocity waves
10 The principle of Michelson's interferometers is
A. Refraction
B. Dispersion
C. Interference
D. Reflection

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