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

The phenomenon of blending of around edges of an obstacle is called:

Question # 2

The property of light which does not change with the nature of the medium is:

Question # 3

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Question # 4

In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be:

Question # 5

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 6

For interference to occur, the light coming from the two slits should

Question # 7

The phenomenon of diffraction can be exhibited by

Question # 8

Polaroid glass is used in sun glasses because

Question # 9

By which principle we can locate the position of new wavefront after a later time?

Question # 10

A polarizer is used to

Question # 11

Which one of the following is nearly monochromatic

Question # 12

Using a graded index fibres the time difference is reduced to about

Question # 13

Two sources of waves are called coherent if

Question # 14

How is the interference pattern in Young's double slit experiment affected if the sodium light is replaced by red light of the same intensity

Question # 15

A converging lens in used to from an image on a screen when the upper half of the lens is covered by an opaque screen

Question # 16

Whenever high magnification is desired

Question # 17

Angle between ray of light and the corresponding wavefront is:

Question # 18

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

Question # 19

The time taken by light for its passage from M to m and back is

Question # 20

Albert A. Michelson devised interferometer 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 The materials which are used in selective absorption method to polarize the light are
A. chronic substances
B. organic substances
C. inorganic substances
D. diachronic substance
2 All of the following statements are correct except
A. The total focal length of an astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can be increased by decreasing the focal length of the eyepiece.
3 Conditions for interference are that the two sources should be coherent and
A. At a far off distance
B. Close together
C. Coinciding
D. None of these
4 A double convex lens acts as a diverging lens when the object is
A. Between f and 2f
B. At the foucs
C. Inside the focus
D. All of these
5 When the object is closer to eye or near point, the image becomes
A. Sharp
B. Clear visible
C. Blurred
D. None of these
6 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
7 Laws of reflection and refraction can also be explained by:
A. Particle nature of light
B. Quantum nature of light
C. Wave nature of light
D. Complex nature of light
8 For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre
A. 100 to 200
B. 1000 to 10000
C. 100 to 1000
D. 1 or 2
9 Which does not show polarization?
A. Longitudinal waves in gas
B. Transverse wave in gas
C. Both A and B
D. None of these
10 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

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