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

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Question # 1

A typical diffraction grating has lines per centimeter is about

Question # 2

Fraunhofer's lines commonly visible in the sun's spectrum are examples of

Question # 3

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

Question # 4

While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that

Question # 5

A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam

Question # 6

Multimode graded index fibre core has diameter of

Question # 7

The magnifying power of an instrument is expressed in

Question # 8

In which of the optical fibres, the propagation of light signal is through continuous refraction?

Question # 9

A spherical wavefront is that which has

Question # 10

Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?

Question # 11

The wave nature of light was first proposed by

Question # 12

The speed of light in other material is always

Question # 13

The minimum number of lenses used in compound microscope is

Question # 14

An object is placed between two parallel mirrors the number of images formed is

Question # 15

The Plano-convex lens used in the Newton's rings are of focal length

Question # 16

The property of bending of light around obstacies is called

Question # 17

In a compound microscope the intermediate image is

Question # 18

How is the interference pattern in Young's double slit experiment affected if the sodium light is replaced by red light of the same intensity

Question # 19

Resolving power of a telescope depends on:

Question # 20

Which of the following spectrum have all the frequencies from high to low frequency range?

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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 Which mode can carry more than 14 TV channels or 14000 phone cells?
A. single mod step index
B. multimode step index
C. multimode graded index
D. all of them
2 Newton's rings are formed due to
A. Refraction of light
B. Diffraction of light
C. Interference of light
D. None of these
3 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
4 Which one of the following phenomenon cannot be explained on the bases of Huygen's theory?
A. Refraction
B. Reflection
C. Diffraction
D. Formation of spectrum
5 Which of the following is conserved when light waves interfere
A. Intensity
B. Energy
C. Amplitude
D. Momentum
6 The terms phase difference and path difference are:
A. Same
B. Different
C. Equal
D. None of these
7 A glass plate on which a large number of very fine equidistant parallel lines are drawn is called
A. convex lens
B. thin film
C. diffraction grating
D. interferometer
8 The information carrying capacity in an optical fibre is called
A. wavelength
B. frequency
C. bandwidth
D. none of them
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 If the two reflected waves reinforce each other then the firm as seen from the parallel beam of monochromic light will look
A. Dark
B. Bright
C. Sometimes bright and dark
D. None of these

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