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

A single step index fibre can carry more than

Question # 2

The wave nature of light was proposed by

Question # 3

Spectrometer can measure quite accurately prism

Question # 4

Who proposed that light energy form a luminous source travels in space by means of wave motion?

Question # 5

When a ray of light enters a denser medium from a rarer medium,its:

Question # 6

The magnification is negative for

Question # 7

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 8

The light which has components in all directions is called

Question # 9

One angshom is equal to?

Question # 10

Experimental demonstration of wave nature of light was given in 1801 by

Question # 11

Cladding means a layer of ______ refractive index over the central core of ______ refractive index

Question # 12

The magnifying power of an instrument is expressed in

Question # 13

For a monochromatic light passing from air to glass, which one of the following statement is true?

Question # 14

The distance between two concentric wave fronts is

Question # 15

A convex lens is dipped in a liquid whose refractive index is equal to the material of the lens. Then its focal length will become

Question # 16

Optical device used in spectrometer

Question # 17

A spherical wavefront is that which has

Question # 18

The fringe spacing in case of blue light

Question # 19

Huygen's wave theory of light cannot explain

Question # 20

The light source used in multimode step index fibre 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 If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be
A. 5 x 10-3A°
B. 2 x 10-4A°
C. 5 x 10-5A°
D. 2 x 104A°
2 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
3 The locus of all the points in the same phase of vibration is called:
A. Wave packet
B. Wavefront
C. Wave number
D. None of these
4 Ray optics is valid,when characteristic dimensions are
A. Of the same order as the wavelength of light
B. Much smaller than the wavelength of length
C. Of the order of one millimeter
D. Much larger than the wavelength or light
5 The bright fringes are termed as
A. minimum
B. maximum
C. bright spots
D. dark spots
6 The Plano-convex lens used in the Newton's rings are of focal length
A. Small
B. Long
C. Very large
D. None of these
7 The property of bending of light around the obstacle is known is
A. Interference
B. Polarization
C. Diffraction
D. None of these
8 Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under
A. Sun light
B. Sodium light
C. Infrared
D. UV
9 Single mode step index fibre has a very thin core of about diameter
A. 5.5 μm
B. 9.5 μm
C. 5.0 μm
D. All of these
10 If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift
A. 795
B. 792
C. 786
D. None

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