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

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

Question # 2

The setting of Newton's rings is

Question # 3

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

Question # 4

The idea of light as wave produced by

Question # 5

For interference to occur,the interfering beams of light must be

Question # 6

The range of the diameter of core in multimode graded index fibre is

Question # 7

Which does not show polarization?

Question # 8

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 9

Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces

Question # 10

The image of an object 5 mm length is only 1 cm high. The magnification of the lens is

Question # 11

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

Question # 12

In Young's double slit experiment fringe width (or fringe spacing) depends

Question # 13

A material having high refractive index has

Question # 14

The terms phase difference and path difference are:

Question # 15

The unit of power of a lens is

Question # 16

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 17

The image formed after objective lens of an astronomical telescope is

Question # 18

If the angle of refraction is 90o, for which the angle of incidence is called

Question # 19

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 20

For single slit diffraction the first minimum occurs when

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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 plane of polarization is rotated many degrees when a thickness of such crystal is
A. One millimeter
B. Less than one millimeter
C. A few millimeter
D. None of these
2 The transmission of information by light waves may be
A. An audio signal
B. A television signal
C. A computer data signals
D. All of them
3 The length of a telescope is 36 cm.The focal lengths of its lenses can be
A. 30 cm,6 cm
B. -30 cm,-6 cm
C. 30 cm,-6 cm
D. -30 cm,-6 cm
4 In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then
A. No fringes are observed
B. All fringes will be darks
C. bright fringes will be less bright and dark will be less dark
D. Bright fringes will be brighter and dark fringes will be darks
5 Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is
A. Small
B. Large
C. Very large
D. None of these
6 A point on the surface of the mirror where principle axis meets is called
A. Focus
B. Centre of curvature
C. Pole
D. Aperture
7 When sunlight falls on a soap bubble (film), it appears coloured because of
A. interference of light
B. dispersion of light
C. polarization of light
D. diffraction of light
8 The most common method to obtain plane polarized light by using dichoric substance is:
A. Selective absorption
B. Reflection from different surfaces
C. Refraction from different surfaces
D. Scattering
9 How the fringe spacing varies as the separation of the slits increases
A. Increases
B. Decreases
C. Increases very little
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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