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

Propagation of light in an optical fibre requires that the light should

Question # 2

Which one of the following phenomena is not explained by Huygen's construction of wavefront?

Question # 3

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 4

The time taken by the mirror M to rotate through an angle 2π/8 is

Question # 5

The blue color of sky is due to:

Question # 6

X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of

Question # 7

If 5000 lines/cm are ruled on a diffraction grating, the element is:

Question # 8

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

Question # 9

A _____ lens is used in the apparatus to get newton's ring:

Question # 10

The focal length of the lens of human eye

Question # 11

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 # 12

Which phenomenon of light conclusively prove that light waves are transverse waves

Question # 13

For constructive interference path difference should be

Question # 14

The advantage/advantages of fiber optics than radio wave carriers

Question # 15

In Newton,s rings apparatus, we also use

Question # 16

All of the following statements are correct except

Question # 17

The angle of incidence at which angle of refraction becomes 900 is called

Question # 18

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Question # 19

The light signal in an optical fibre requires that the light should

Question # 20

In multimode graded index fibre core and cladding has boundary

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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 To wavelength of light by his experiment , Newton utilized:
A. Wavelength of light
B. Intensity of light
C. amplitude wave
D. None of above
2 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
3 The wave nature of light was proposed by
A. Einstein
B. Maxwell
C. Huygen
D. Newton
4 The polarized can be achieved by using process like
A. Coherent sources
B. Diffraction
C. Selective absorption
D. None of these
5 According to Young s experiment if frequency of light used is halved then fringe width becomes
A. 2/3
B. Double
C. Remains constant
D. Fringe
6 The light which has components in all directions is called
A. unpolarized light
B. polarized light
C. intense light
D. none of them
7 Michelson interferometer is based upon
A. Interference
B. Diffraction
C. Polarization
D. Reflection
8  In the phenomenon of interference, the bright and dark fringes are of
A. Different width
B. Equal width
C. Dark fringes are thicker than bright
D. Nona of these
9 Which of the following is not an advantages of using optical fibres over copper cables?
A. signal attenuation
B. number of signals carried per wire
C. cost of installation
D. none of the above
10 Huygen's wave front which sends out secondary wavelets with a speed equal to
A. Speed of propagation of the wave
B. Speed of propagation greater than wave
C. Speed of propagation less than the wave
D. None of these

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