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

00:00
Question # 1

Fringe spacing in YDS experiment will be maximum if we use:

Question # 2

The least distance of distinct vision changes with

Question # 3

How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper

Question # 4

Which optical fibre is used for shorter distances only?

Question # 5

According to Young s experiment if frequency of light used is halved then fringe width becomes

Question # 6

Light traveling through vacuum enters water which characteristic of light does not charge

Question # 7

Maximum detail of object can be seen from a microscope wen light used is of

Question # 8

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

Question # 9

Turn table is the plateform over which we place

Question # 10

Who proposed wave theory of light

Question # 11

The bright fringes are termed as

Question # 12

In an optical fibre the speed of light is

Question # 13

Sunset makes sky appears reddish because of:

Question # 14

In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:

Question # 15

Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is

Question # 16

Which of the following is an optical fibre in which the density of central core decreases towards its periphery?

Question # 17

When crest of one wave falls on the crest of the other wave. This phenomenon is known as:

Question # 18

Single mode step index fibre has feature/s like

Question # 19

In a simple microscope if the final image is located at infinity then its magnifying power is

Question # 20

For single slit diffraction the first minimum occurs when

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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
Question Image
2 When light signal travels along fibres, the power losses are mainly due to
A. scattering
B. absorption
C. both of them
D. either of them
3 In YDS experiment using white light
A. Colored fringes will be obtained
B. No fringes will be observed
C. Alternative bright and dark fringes will be seen
D. None of these
4 Which of the following atoms cannot be detected by X-ray crystallography?
A. carbon
B. nitrogen
C. hydrogen
D. neon
5 If the wavelength of light used in Michelsion's interferometer is 400 nm and the moveable mirror only moved throughλ/4, then the length moved will be
A. 10 nm
B. 10-2mm
C. 1 nm
D. 10-4mm
6 In a never system, the repeaters are placed at about
A. 50 km
B. 75 km
C. 100 km
D. 125 km
7 The least distance of distinct vision changes with
A. Time
B. Health
C. illness
D. Age
8 The ratio of fringes with for bright and dark fringes is
A. 1 : 2
B. 2 : 1
C. 1 : 4
D. 1 : 1
9 Every point of a wavefront may be considered as a
A. Source
B. Source of wavefront
C. Source of secondary wavefront
D. None of these
10 In case of YDS experiment, the distance of the mth bright fringe on the screen from center is
A. Y = (m + 1)λL/d
B. Y = mλL/d
C. Y = (m + 1/2)λL/d
D. None of these

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