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

One angstrom equal:

Question # 2

In an interference pattern of Young,s Double Slit (YDS) experiment

Question # 3

The unit of power of a lens is

Question # 4

The components of a fibre optic communication system is/are

Question # 5

Which of the following radiation will be focused farthest from a convex lens

Question # 6

If the focal length of the eye piece 25.0 mm find its magnification

Question # 7

The fringe spacing varies directly with

Question # 8

Colour of thin film will not show result from

Question # 9

In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be:

Question # 10

Power loss taken place when a light signal travels along fibres by

Question # 11

Propagation of light in an optical fibre requires

Question # 12

Which of the following is not an advantages of using optical fibres over copper cables?

Question # 13

A simple telescope is consists of

Question # 14

Huygen's wave theory of light cannot explain

Question # 15

A double convex lens acts as a diverging lens when the object is

Question # 16

How many types of the optical fibres are

Question # 17

Graham Bell photo phone used a modulated beam of

Question # 18

In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be

Question # 19

One angshom is equal to?

Question # 20

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

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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 When the length of a microscope tube increases its magnifying power
A. Decreases
B. Increases
C. Does not change
D. May increase or decrease depending on the observer and the place of observation
2 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
3 If the cover of a red book is observed in monochromatic blue light,It will appear
A. White
B. Red
C. Black
D. Blue
4 If we know the refractive index of glass, speed v of light in the glass can be found by
A. v = c n
B. v = c/n
C. v = n/c
D. None of these
5 The range of the diameter of core in multimode graded index fibre is
A. 50 to 100 μm
B. 50 to 1000 μm
C. 50 to 1000 μm
D. None of these
6 According to Huygen's principle, the new position of the wavefront after a time can be found by constructing a surface that touches all the
A. primary wavelets
B. secondary wavelets
C. either of them
D. none of them
7 A typical diffraction grating has lines per centimeter is about
A. 500 to 6000
B. 400 to 5000
C. 450 to 5500
D. 425 to 5670
8 The property of light which makes light possible to be transmitted into inaccessible place is
A. Interference
B. Diffraction
C. Polarization
D. None of these
9 Which one of the following phenomenon cannot be explained by the wave theory of light ?
A. Reflection
B. Refraction
C. Photoelectric effect
D. Diffraction
10 The wave nature of light was proposed by
A. Einstein
B. Maxwell
C. Huygen
D. Newton

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