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

In which situation does diffraction occur?

Question # 2

A ______ lens is used in the apparatus to get Newton,s rings

Question # 3

As the object is brought from a far off point to he focus, the magnification goes on

Question # 4

Ordinary light has components of vibrations in

Question # 5

The wave nature of light was first proposed by

Question # 6

Repeaters are the devices which regenerate the signals and are placed at about

Question # 7

A prism splits a beam of white light into its seven constituent colors.This is so because

Question # 8

A typical diffraction grating has lines per centimeter

Question # 9

The velocity of light in vacuum can be changed by changing:

Question # 10

The function of compensator plate in interferometer is to

Question # 11

One cannot see through fog because

Question # 12

Which does not show polarization?

Question # 13

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 14

The diffraction of light occurs, due to interference, of

Question # 15

Which of the following is the most common method to obtain polarized light?

Question # 16

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

Question # 17

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 18

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

Question # 19

The magnifying power of a simple microscope can be increased if we use eye piece of

Question # 20

The focal length of the lens of human eye

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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 Which phenomenon of light conclusively prove that light waves are transverse waves
A. Reflection
B. Diffraction
C. Interference
D. Polarization
2 A mode of propagation of light through optical fibre in which the light within the fibre is
A. Reflected
B. Refracted
C. Continuously refracted
D. None of these
3 Which one light source can travel faster through optical fibre is
A. Infra red
B. Visible
C. Ultra violet
D. All of these
4 To wavelength of light by his experiment , Newton utilized:
A. Wavelength of light
B. Intensity of light
C. amplitude wave
D. None of above
5 A diffraction grating of length 2cm has 4000 lines The grating element is
A. 0.5 x 10-2 cm
B. 5 x 104
C. 5 x 10-4
D. 0.5 x 10-4 cm
6 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct
7 According to Huygen's principle:
A. Light travel in straight line
B. Light is a transvers wave
C. Light has dual nature
D. All point on the primary wavefront are the sources of secondary wavelets
8 X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of
A. 10-8 m
B. 10-9 m
C. 10-10 m
D. 10-12 m
9 In an astronomical telescope the eye piece has the focal length fe if
A. Short
B. Long
C. Extremely long
D. None of these
10 One angstrom equal:
A. 10-8m
B. 10-9m
C. 10-10m
D. 10-11m

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