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 lower refractive index the fibre core has

Question # 2

Multimode step index fibre is useful for

Question # 3

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 4

A simple telescope is consists of

Question # 5

A sun rise or sun set the sun looks reddish because

Question # 6

Which of the following theories of light are explained by the Young's double slit experiment?

Question # 7

When the object lies between F and 2F the image formed by a convex lens is

Question # 8

Fraunhofer spectrum is a

Question # 9

The magnification of a simple microscope of focal length 5cm is

Question # 10

In case of diffraction grating, unit of grating element is:

Question # 11

Multimode step index fibre has a core of relatively larger diameter such is

Question # 12

Just before  setting the sun may appear to be elliptical This happens due to

Question # 13

When the object is closer to eye or near point, the image becomes

Question # 14

Which characteristics of wave, established the Huygen's wave theory in 1801?

Question # 15

Huygen's wave front which sends out secondary wavelets with a speed equal to

Question # 16

The interference fringes are of

Question # 17

A point source in a homogeneous medium gives rise to:

Question # 18

If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are

Question # 19

The light source in the transmitter can be

Question # 20

The reflected light 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 Characteristics of optic fibre is/are
A. Much thineer
B. Light weight
C. Extremely wide bandwidth
D. All of these
2 The contrast in the fringes in any interference pattern depends on
A. Frings width
B. Intensity ratio of the sources
C. Distance between the slits
D. Wavelength
3 According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have
A. No interference
B. Conductive interference 
C. Destructive interference
D. None of these
4 The refractive index of a medium is defined as a ratio
5 A beam of light enters air from water.Which of the following characteristics of light will not change in water?
A. Frequency
B. Wavelength
C. Velocity
D. Amplitude
6 Propagation of light in an optical fiber requires that light should be
A. Refracted from air to fiber
B. Continuously refraction
C. Totally reflected within the fiber
D. Both B and C
7 In order to observe interference , the interfering beams must be
A. monochromatic
B. coherent
C. either of them
D. both of them
8 A line which represents the direction of travel of a wave is known as
A. Wave front
B. Locus
C. Ray of light
D. Either b and c
9 The total magnification of a combination of two lenses having individual magnification M1 and M2 is
A. M1+ M2
B. M1M2
C. M1- M2
D. M1/ M2
10 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

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