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

To get higher magnification we must use

Question # 2

The distance between two concentric wave fronts is

Question # 3

Speed of light in vacuum depends upon:

Question # 4

Sunset makes sky appears reddish because of:

Question # 5

The least distance of he distinct vision is

Question # 6

Which does not show polarization?

Question # 7

When the object lies between F and 2F the image formed by a convex lens is

Question # 8

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

Question # 9

The velocity of light in vacuum can be changed by changing

Question # 10

The fibre core has constant refractive index such as

Question # 11

In single slit diffraction the condition for second minimum is

Question # 12

A mode of propagation of light through optical fibre in which the light within the fibre is

Question # 13

A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is

Question # 14

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

Question # 15

If the red light is replaced by blue light illuminating the object in a microscope the resolving power of the microscope

Question # 16

Wavelength of light, on the average, is given by:

Question # 17

Single mode step index fibre has

Question # 18

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

Question # 19

The resolving power of human eye is

Question # 20

The typical wavelength of light source in transmitter is

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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 On a diffraction grating a large number of close parallel equidistant slits are ruled on it
A. By hand
B. electronically
C. mechanically
D. none of them
2 A fibre optic communication system consists of
A. one major component
B. two major components
C. three major components
D. four major components
3 Light of wavelength 800 n m is incident on a pair of slits, forming fringes 4.0 mm apart on a screen. What is the fringe when light of 400 nm is used and the slit separation is halved?
A. 2.0 mm
B. 1.0 mm
C. 4.0 mm
D. 0.5 mm
4 When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions is
A. Dark
B. Bright
C. Non image formed
D. None of these
5 A normal to the waves front showing direction of propagating of wave is called
A. Photon
B. Particle
C. Ray
D. Line
6 Two sources of waves are called coherent if
A. Both have the same amplitude of vibrations
B. Both produce waves of the same wavelength
C. Both produce waves of the same wavelength having a constant phase difference
D. Both produce waves having the same velocity
7 The experimental evidence in support of wave theory in Huygen's time was
A. not present
B. not convincing
C. convincing
D. none of them
8 Fraunhofer's lines commonly visible in the sun's spectrum are examples of
A. Line emission spectrum
B. Line absorption spectrum
C. Band emission spectrum
D. Band absorption spectrum
9 The velocity of light in vacuum can be changed by changing
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
10 The speed of light in a medium depends upon
A. Its wavelength
B. Its frequency
C. Refractive index
D. All of these

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