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

Repeaters are the devices which regenerate the signals and are placed at about

Question # 2

The diffraction grating is used to measure

Question # 3

In single slit diffraction the condition for second minimum is

Question # 4

A thin film is a transparent medium whose thickness with the wavelength of light are

Question # 5

Two layers optical fibre in which central layer is called core which has refractive index

Question # 6

All of the following statements are correct except

Question # 7

According to Huygen's principle:

Question # 8

In young's slit experiment on interference the ratio of the intensities of a bright band and a dark band is 6 : 1 the ratio of the amplitudes o the interfering waves is

Question # 9

In digital modulation, the LED or laser flashed on and off at a

Question # 10

When a plane polarized light is passed through certain crystals they

Question # 11

Such a surface on which all the points have the same phase of vibration is known as

Question # 12

A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is

Question # 13

A shortsighted person can see clearly

Question # 14

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

Question # 15

The blending of light when it passes from one medium to another is known as:

Question # 16

Which of the following properties show light is transverse wave in nature?

Question # 17

In Young s double slit experiment the separation between the slits in halved and the distance between the slits and the screen is doubled the fringe with will

Question # 18

When 'θ' is small then

Question # 19

In case of diffraction grating, unit of grating element is:

Question # 20

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

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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 A _____ lens is used in the apparatus to get newton's ring:
A. Plano-concave
B. Plano-convex
C. Convexo concave
D. Double covex
2 Signal from a remote control to the device operated by it travels with the speed of:
A. Sound
B. Light
C. Ultrasonics
D. Supersonics
3 Wavelength of light, on the average, is given by
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
4 A mode of propagation of light through optical fibre in which the light within the fibre is
A. Reflected
B. Refracted
C. Continuously refracted
D. None of these
5 Michelson,s interferometer can be used to measure
A. Wavelength of light
B. Intensity of light
C. Amplitude of wave
D. None of these
6 In Young's double slit experiment for the interference of light, the central region of the fringe system is
A. Bright
B. Dark
C. Bright and dark
D. None of these
7 If the thickness of the film and angle of incidence are such that two reflected waves cancel each other the film will look
A. Dark
B. Bright
C. May be partly bright
D. None of these
8 On a diffraction grating a large number of close parallel equidistant slits are ruled on it
A. By hand
B. electronically
C. mechanically
D. none of them
9 In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves
A. Greater then
B. Smaller then
C. Equal to
D. None of these
10 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

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