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

On a diffraction grating which thing acts as a slit

Question # 2

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

Question # 3

A simple telescope is consists of

Question # 4

The light signals are sent from the source

Question # 5

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

Question # 6

A sun rise or sun set the sun looks reddish because

Question # 7

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

Question # 8

A diffraction pattern is obtained using a beam of red light What will happen if the red light is replaced by blue light?

Question # 9

The unit of power of a lens is

Question # 10

The light source in the transmitter can be

Question # 11

If the distance of a surface from light source is doubled,then the luminance will become

Question # 12

A convex ens acts as diverging lens when the object is placed

Question # 13

The idea of Michelsion's interferometer is based on the

Question # 14

Conditions for interference are that the two sources should be coherent and

Question # 15

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 16

The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope

Question # 17

Which is having minimum wavelength?

Question # 18

Star twinkle due to

Question # 19

Which one of the following waves cannot be polarized

Question # 20

Which of the following is conserved when light waves interfere?

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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 The refractive index of a medium is defined as a ratio
2 The multi-mode step index optical fibre, the central core has
A. high refractive index and low density
B. low refractive index and density
C. low refractive index and low density
D. high refractive index and high density
3 Light waves are:
A. Mechanical waves
B. Electromagnetic waves
C. All of above
D. None of above
4 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
5 Which of the following is conserved when light waves interfere
A. Intensity
B. Energy
C. Amplitude
D. Momentum
6 In Michelsion's interferometer, if 'm' number of fringes are passed in front of a reference point when the moveable mirror is moved a distance L, then
A. L = mλ
B. L = 2mλ
C. L = mλ/2
D. L = 3/2 mλ
7 The practical use of services by optic fiber is
A. Two way television
B. World processing
C. Image transmitting and receiving equipment
D. All of these
8 At points where the crest (or trough) of one wave coincides with the crest (or trough) of the other wave, the wave produces
A. destructive interference
B. constructive interference
C. diffraction
D. dispersion
9 In case of YDS experiment, the distance of the mth bright fringe on the screen from center is
A. Y = (m + 1)λL/d
B. Y = mλL/d
C. Y = (m + 1/2)λL/d
D. None of these
10 The concentration in solution can be determined by the property known as
A. Solubility
B. Insolubility
C. Optical activity
D. None of these

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