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

Single mode step index fibre is used to send

Question # 2

The light form Sun reaches earth in the form of

Question # 3

Which of the following types of optical fibre has a core which rages in diameter from 50 to 1000μm?

Question # 4

Which phenomenon of light takes place in Young's double-slit experiment?

Question # 5

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

Question # 6

Light signals in an optical fibre eventually become dim and must be regenerated by devices called

Question # 7

If f = 5 cm and d = 25 cm then the magnification will be

Question # 8

The resolving power of a grating spectrometer is

Question # 9

Propagation of light in an optical fiber requires that light should be

Question # 10

The spacing between the parallel lines are served as

Question # 11

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

Question # 12

The speed of light in a medium depends upon

Question # 13

The central ring is bright in case of newton's ring produced by:

Question # 14

The plane of polarization is rotated many degrees when a thickness of such crystal is

Question # 15

A line normal to the wavefront including the direction of motion is called

Question # 16

What is the main cause of the shinning of diamond?

Question # 17

A typical diffraction grating has lines per centimeter is about

Question # 18

The magnification of a simple microscope of focal length 5cm is

Question # 19

Which optical fibre is used for shorter distances only?

Question # 20

The bright fringes are termed as

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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 pulse of light in the optical fibres represents the number
A. 0
B. 1
C. 2
D. 3
2 Two lenses of power +12 and -2 diopters are placed in contact the power of combination is
A. 10 diopters
B. 8 diopters
C. 6 diopters
D. 12 diopters
3 Rainbow is formed due to combination of
A. Dispersion and total internal reflection
B. Reflection and refraction
C. Dispersion and focusing
D. Refection and scattering
4 The optical fibre has a layer over the central layer is called cladding of refractive index
A. High
B. Low
C. Very high
D. None of these
5 Which phenomenon of light takes place in Young's double-slit experiment?
A. polarization of light
B. diffraction of light
C. interference of light
D. reflection of light
6 In multi-mode step index optical fibre, that layer is called cladding which has
A. higher refractive index
B. lower refractive index
C. both of them
D. none of them
7 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
8 When the object lies between F and 2F the image formed by a convex lens is
A. Real
B. Virtual
C. Diminished
D. Erect
9 In Bragg's Equation 2d sin θ = nλ, where 'n' is
A. Order of spectrum
B. Number of reflections
C. Order of reflection
D. None of these
10 Maximum number of orders available with a grating is ______ grating element
A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Equal to

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