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

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 2

The ratio of size of the image to the size of the object is called

Question # 3

If the light travels in a straight line, the central region should appear

Question # 4

The transmitter in optical fiber system contains a device called

Question # 5

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

Question # 6

Newton's rings are:

Question # 7

The disadvantage of the step-index fibre can be reduced by

Question # 8

Critical angle of light passing from glass to air is minimum for

Question # 9

The property of bending of light around the obstacle is known is

Question # 10

The resolving power of a grating spectrometer is

Question # 11

In Newton,s rings apparatus, we also use

Question # 12

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

Question # 13

Source of light used in the fibre optic communication

Question # 14

The information received at the other end of a fibre can be inaccurate due to

Question # 15

Which Phenomenon proves that nature of light is transverse

Question # 16

In an astronomical telescope is the objective has the focal length fo is

Question # 17

How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper

Question # 18

The polarized can be achieved by using process like

Question # 19

With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 20

Which phenomenon of light conclusively prove that light waves are transverse waves

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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 light of low wavelength is used in Young's double slit experiment then width of the fine will
A. Decreases
B. Increase
C. Not fixed
D. No change
2 The colour of light is determined by is
A. Wavelength
B. Frequency
C. Velocity
D. Amplitude
3 Which one of the following is an optically active substance?
A. Quartz crystal
B. Calcite crystal
C. Sugar solution
D. All of these
4 Which of the following gives three regions of the electromagnetic spectrum in order of increasing wavelength?
A. Gamma rays,microwaves,visible radiation
B. Ultraviolet infra-red microwaves
C. Radio waves ultraviolet X-rays
D. Visible radiation gamma rays radio waves
5 A beam of light enters air from water.Which of the following characteristics of light will not change in water
A. Frequency
B. Wavelength
C. Velocity
D. Amplitude
6 The laser light used in an optical fiber system has a wavelength equal to
A. 3μm
B. 5μm
C. 1.3μm
D. 6μm
7 Proportion of light in an optical fibre requires that the light-should be within the fibre
A. Very little confined
B. Largely confined
C. Totally confined
D. None of these
8 The total internal reflection takes place for glass-air boundary is then the angle is
A. Equal to 41.8o
B. Greater than 41.8o
C. Less than 41.8o
D. None of these
9 The least distance of distinct vision for a normal eye is
A. 15 cm
B. 25 cm
C.
35 cm
D. 1 m
10 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect

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