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 spectrometer is an optical device used to study the spectra from different sources of light which is

Question # 2

The experimental evidence in support of wave theory in Huygen's time was

Question # 3

When a ray of light goes from a denser medium into a rare medium

Question # 4

We can use Fibre optics system for

Question # 5

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

Question # 6

In YDS experiment, at the center of screen is formed a:

Question # 7

For the sustained interference of light the necessary condition is that the two sources should

Question # 8

Which is having minimum wavelength?

Question # 9

Multi-mode step index fibre index fibre is used to send

Question # 10

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 11

According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.

Question # 12

A polaroid is:

Question # 13

Maximum number of orders available with a grating is ______ grating element

Question # 14

If a glass slab is placed in the path of a converging beam of light The point of convergence of light

Question # 15

Alexander graham bell transmits a voice message via a

Question # 16

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

Question # 17

If the thickness of the film and angle of incidence are such that two reflected waves cancel each other the film will look

Question # 18

The diffraction grating is used to measure

Question # 19

When light passes through a tourmaline crystal, it becomes

Question # 20

One cannot see through fog becuase

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MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 In which situation does diffraction occur?
A. a wave bounces back from a surface
B. a wave meets another wave to produce a new wave
C. a wave passes from one medium into another
D. a wave passes through an aperture
3 In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice
A. Germanium
B. Selinium
C. Silicon
D. None of these
4 If a glass slab is placed in the path of a converging beam of light The point of convergence of light
A. Moves away from the glass slab
B. Moves towards the glass slab
C. Remains at the same point
D. Moves straight
5 Phenomenon of interference and diffraction support the:
A. Quantum nature of light
B. Tranverse nature of light
C. Wave nature of light
D. Complex nature of light
6 The total internal reflection takes place for glass-air boundary is then the angle is
A. Equal to 41.8o
B. Greater than 41.8o
C. Less than 41.8o
D. None of these
7 When crest of one wave coincides with the trough of the other wave, it give rise to
A. dispersion
B. constructive interference
C. destructive interference
D. polarization
8 Which is having minimum wavelength?
A. X-rays
B. Ultra-violet rays
C. Y-rays
D. Cosmic rays
9 Huygen's principle states that:
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
10 The light source in the transmitter can be either
A. Light emitting diode
B. Semiconductor laser
C. Light emitting in an invisible infra red
D. All of these

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