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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The phenomenon of polarization proves that the light waves are

Question # 2

Which light travels faster in optical fibres?

Question # 3

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 4

Speed of light in vacuum depends upon:

Question # 5

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

Question # 6

A typical diffraction grating has lines per centimeter is about

Question # 7

With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 8

Optical device used in spectrometer

Question # 9

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

Question # 10

The absence of light in the optical fibres represents the number

Question # 11

How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm

Question # 12

Wave front is the locus or all points in vibration are in the same

Question # 13

The wave nature of light was proposed by

Question # 14

If the vibrations of the light wave are confined to one plane only, then this light is called

Question # 15

Analyzer is use to

Question # 16

A diffraction grating has 500 liens per mm. its slit spacing or grating element will

Question # 17

If d = 0.25 cm   Y = 0.059 cm   L = 100 cm    m = 2 then λ is equal to

Question # 18

In cause of YDS experiment, the distance between adjacent bright fringes is given by

Question # 19

A wider objective and the use of blue light of short wavelength produces

Question # 20

A monochromatic source of light gives light of

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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 Who attempted to measure the speed of light
A. Gallileo
B. Michelson
C. Newton
D. None of these
2 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
3 Michelsion devised the Michelson's interferometer in
A. 1981
B. 1891
C. 1851
D. 1881
4 A ray of light reflected from a dense medium under goes a phase change of:
A. 30°
B. 60°
C. 90°
D. 180°
5 The distance between two concentric wave fronts is
A. A wave length
B. A half wavelength
C. Zero
D. None of these
6 The lower refractive index the fibre core has
A. 1.48
B. 1.40
C. 1.54
D. 1.42
7 In an interference pattern of Young,s Double Slit (YDS) experiment
A. Bright fringes are wider than dark fringes
B. Dark fringes are wider than bright fringes
C. Both dark and bright fringes are of equally spaced
D. Central fringes are wider than the outer fringes
8 For the sustained interference of light the necessary condition is that the two sources should
A. Have constant phase difference
B. Be narrow
C. Be close to each other
D. Of same amplitude
9 The speed of light in other material is always
A. Greater than c
B. Less than c
C. Equal to c
D. None of these
10 The light signals are sent from the source
A. A ordinary source
B. A monochromatic light source
C. A moulticolour source
D. None of these

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