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

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MDCAT Physics Chapter 7 Light Online Test

00:00
Question # 1

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

Question # 2

How are X-rays diffracted by crystals in X-rays crystallography?

Question # 3

When crest of one wave falls on the crest of the other wave. This phenomenon is known as:

Question # 4

In a never system, the repeaters are placed at about

Question # 5

The colour of light is determined by is

Question # 6

To observe the phenomenon of interference of light, the light should be

Question # 7

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

Question # 8

Fire optics has ability to transmit

Question # 9

On a diffraction grating which thing acts as a slit

Question # 10

When seen in green light the saffron and green portions of our National Flag will appear to be

Question # 11

Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?

Question # 12

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 # 13

Huygen's theory cannot explain:

Question # 14

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Question # 15

In Newton's rings the thickness of air film at the point of contact is

Question # 16

Light is a type of energy which produces sensation of

Question # 17

Michelson's interferometer is an instrument that is capable of measuring distance with

Question # 18

Which one of the following is nearly monochromatic

Question # 19

If the slits in YDS experiment are made closer, fringe spacing will:

Question # 20

Monochromatic light directly means waves 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 When two lights waves travelling in the same direction are in phase at any point, they producing
A. constructive interference
B. destructive interference
C. dispersion
D. polarization
2 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
3 What is the main cause of the shinning of diamond?
A. Reflection
B. Refraction
C. Total internal reflection
D. Dispersion of light
4 Telescope is an optical device used for viewing
A. Near objects
B. Not far distance
C. Distant objects
D. b and c
5 The wave nature of light was proposed by
A. Einstein
B. Maxwell
C. Huygen
D. Newton
6 The interference fringes are of
A. equal width
B. variable width
C. zero width
D. non-uniform width
7 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm
8 In digital modulation, the LED or laser flashed on and off at a
A. Fast rate
B. Very fast rate
C. Extremely fast rate
D. None of these
9 The conversion of electrical signals into light signals taken place due to
A. Generator
B. Transmitter
C. Receiver
D. None of these
10 Spectrometer can be used to
A. Measure wave length of light
B. Measure refractive index of the materials
C. Study spectra of light
D. All

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