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

The index of refraction of diamond is 2.0 velocity of light in diamond in m/s is

Question # 2

To increase the magnification of a telescope

Question # 3

Inspite of different dispersion, all the wavelengths arrive at the other end of the fibre at the same time. With a step-index fibre overall time difference may be about

Question # 4

Single mode step index fibre has

Question # 5

In normal adjustment, the length of the telescope is

Question # 6

The medium in which speed of light is the same in all directions is called

Question # 7

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 8

Multimode step index fibre is useful for

Question # 9

Which type of optical fiber has the largest diameter

Question # 10

Which of the following is conserved when light waves interfere?

Question # 11

A normal to the waves front showing direction of propagating of wave is called

Question # 12

In cause of YDS experiment, the distance between adjacent bright fringes is given by

Question # 13

A line normal to the wave front is called

Question # 14

Two layers optical fibre in which central layer is called core which has refractive index

Question # 15

If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at

Question # 16

A simple telescope is consists of

Question # 17

The reflected light is

Question # 18

Turn table is the plateform over which we place

Question # 19

According to Huygen's principle:

Question # 20

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

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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 Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance
A. λ/2
B. λ/4
C. λ
D. 3/2λ
2 The relation for the diffraction pattern, when it is minimum
A. d/2 sin θ = λ
B. sin θ = λ/2
C. d sin θ = λ
D. None of these
3 To wavelength of light by his experiment , Newton utilized:
A. Wavelength of light
B. Intensity of light
C. amplitude wave
D. None of above
4 Newton's rings are formed as a result of
A. diffraction of light
B. dispersion of light
C. interference of light
D. polarization of light
5 For a point source of light the wave front produced are
A. Circular
B. Spherical
C. Cylinrical
D. None
6 The sky appears blue because
A. Red light is absorbed
B. Blue light is scattered the most
C. Blue light is absorbed
D. It is its natural color
7 The resolving power of a grating spectrometer is
8 When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are
A. straight
B. circular
C. square
D. plane
9 A circular scale is attached and graduated in
A. One degree
B. 2 degrees
C. Half degree
D. None of these
10 If a source of light is moving away from stationary observer then frequency of light wave appears to change because of
A. Doppler's effect
B. Interference
C. Diffraction
D. None of the above

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