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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Two lenses of power +12 and -2 diopters are placed in contact the power of combination is

Question # 2

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

Question # 3

In an optical fibre the speed of light is

Question # 4

Single mode step index fibre is used to send

Question # 5

Which is having minimum wavelength?

Question # 6

The typical wavelength of light source in transmitter is

Question # 7

A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam

Question # 8

The danger signals are red while the eye is more sensitive to yellow because

Question # 9

When an image is placed at the focal length of the eye piece, the final image formed at

Question # 10

The phenomenon of diffraction can be exhibited by

Question # 11

The relation between displacement of the mirror 'L' and wavelength λ of the light used

Question # 12

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

Question # 13

Frequency of red colour as compared to that of violet colour is:

Question # 14

The bending of light when it passes from one medium to another is known as

Question # 15

A beam of light enters air from water.Which of the following characteristics of light will not change in water?

Question # 16

In an interference pattern of Ypung's double Slit (YDS) experiment:

Question # 17

If we know the refractive index of glass, speed v of light in the glass can be found by

Question # 18

Colour of thin film will not show result from

Question # 19

Focal length of convex lens is maximum for

Question # 20

Which of the following is conserved when light waves interfere

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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 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ
A. Cannot be determine
B. Can be determined in same cases
C. Can be determined
D. None of these
2 If we know the refractive index of glass, speed v of light in the glass can be found by
A. v = c n
B. v = c/n
C. v = n/c
D. None of these
3 A plane wavefront is that which has source
A. Nearest
B. Distant
C. Near
D. None of these
4 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
5 The advantage/advantages of fiber optics than radio wave carriers
A. Much wider band width
B. Capability
C. Immunity
D. All of these
6 The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope
A. 13.5
B. 12.5
C. Infinity
D. None of these
7 Confining the light vibrations in one plane is called:
A. Reflection of light
B. Interference of light
C. Polarization of light
D. Diffraction of light
8 Diffraction is concerned with the superposition of
A. very large number of secondary wavelets
B. a few secondary wavelets
C. two secondary wavelets
D. no secondary
9 X-rays interact with
A. solid crystal
B. atoms in the crystal
C. nuclei of atoms in the crystal
D. electrons of atoms in the crystal
10 Michelson's interferometer is an instrument used to measure the distance with
A. Precision
B. High precision
C. Extremely high precision
D. None of these

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