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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Polaroid glass is used in sun glasses because

Question # 2

A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses

Question # 3

A single step index fibre can carry more than

Question # 4

If a glass slab is placed in the path of a converging beam of light The point of convergence of light

Question # 5

Which is having minimum wavelength?

Question # 6

In Young's double slit experiment fringe width (or fringe spacing) depends

Question # 7

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

Question # 8

If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  

Question # 9

Newton's rings are formed as a result of

Question # 10

Monochromatic light directly means waves of

Question # 11

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Question # 12

The optical fibre is covered for protection with

Question # 13

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

Question # 14

The path difference involved in interference in thin films depends upon

Question # 15

Measurement of a standard metre in terms of the wavelength of red cadmium light is

Question # 16

Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under

Question # 17

The phenomenon of polarization proves that the light waves are

Question # 18

X-rays interact with

Question # 19

A prism splits a beam of white light into its seven constituent colors.This is so because

Question # 20

Sunlight is also partially polarized because of Earth's atmosphere due to scattering by

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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 Cladding means a layer of ______ refractive index over the central core of ______ refractive index
A. Lower, lower
B. Higher, lower
C. Lower, higher
D. None of these
2 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
3 The minimum number of lenses used in compound microscope is
A. 1
B. 2
C. 3
D. 4
4 The distance between the centres of two consecutive bright fringes (or dark fringes) is called
A. wavelength
B. fringe width
C. amplitude
D. path difference
5 A single step index fibre can carry more than
A. 14 TV channels
B. 14,000 phone calls
C. 16 TV channels
D. a and b
6 Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is
A. 5I
B. 9I
C. 16I
D. 25I
7 Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?
A. single mode step index fibre
B. multi-mode step index fibre
C. multi-mode graded index fibre
D. none of them
8 A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam
A. Vertically up wards
B. Horizontally
C. At angle to the vertical which is slightly less than the critical angle
D. At an angle to the vertical which is slightly more than critical angle
9 The distance between the concentric wavefronts is
A. half wavelength
B. one wavelength
C. one and a half wavelength
D. none of them
10 A compound microscope is consists of an eye piece  of focal length
A. Short
B. Very short
C. Large
D. Very large

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