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

The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be

Question # 2

To demonstrate the phenomenon of interference we require two sources that emit radiation

Question # 3

A point source in a homogeneous medium gives rise to:

Question # 4

The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object

Question # 5

Which one of the following is an optically active substance?

Question # 6

A circular scale is attached and graduated in

Question # 7

Signal from a remote control to the device operated by it travels with the speed of:

Question # 8

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 # 9

The phenomenon of diffraction also contains the phenomenon of

Question # 10

The wave length of x-rays is of the order of

Question # 11

In a simple microscope if the final image is located at infinity then its magnifying power is

Question # 12

Using monochromatic light, interference fringes are produced on a screen placed a distance D from a pair of slits of separation a.
The separation of the fringes is X.
a is now halved and D is increased by a factor of 4.
What is the new fringe separation?

Question # 13

The direction of a ray of light is.......to the wave front.

Question # 14

Measurement of a standard metre in terms of the wavelength of red cadmium light is

Question # 15

Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is

Question # 16

At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by

Question # 17

Conditions for interference are that the two sources should be coherent and

Question # 18

The total internal reflection takes place for glass-air boundary is then the angle is

Question # 19

The tip of a needle does not give a sharp image it is due to

Question # 20

In an interference pattern of Young,s Double Slit (YDS) experiment

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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 Identify the incorrect statement
A. The distance between the objective and eye-piece is 16.02 cm
B. The angular magnification of the planet is 800
C. The image of the planet is inverted
D. The objective is larger than the eye-piece
2 The wave length of x-rays is of the order of
A. 10-17 m
B. 10-4 cm
C. 10-9 m
D. 10-10 m
3 When observed by transmitted light, the central band of newton's ring system consists of:
A. Bright circular ring
B. Dark circular ring
C. May be bright or dark circular ring
D. No interference bands
4 For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium
A. Greater, rarer, denser
B. Smaller, rarer, denser
C. Smaller, denser, rarer
D. Greater, denser, rarer
5 A pulse of light in the optical fibres represents the number
A. 0
B. 1
C. 2
D. 3
6 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
7 The speed of light in vacuum or in air is
A. 3 x 1010 m ! s
B. 3 x 109 m ! s
C. 3 x 108 m ! s
D. 3 x 107 m ! s
8 When light signal travels along fibres, the power losses are mainly due to
A. scattering
B. absorption
C. both of them
D. either of them
9 Experimental demonstration of wave nature of light was given in 1801 by
A. New ton
B. Maxwell
C. Thomas young
D. Huygen
10 Speed of light in vacuum depends upon:
A. Frequency
B. Wavelength
C. Amplitude
D. None of above

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