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

Wavelength of light, on the average, is given by

Question # 2

In Huygen's wave theory the locus of all points in the same state of vibration is called

Question # 3

Huygen's principle states that:

Question # 4

A completely transparent material will be invisible in vacuum when the refractive index n is

Question # 5

The medium in which speed of light is the same in all directions is called:

Question # 6

Which type of optical fiber has the largest diameter

Question # 7

The optical fibre is covered for protection with

Question # 8

Which light travels faster in optical fibres?

Question # 9

The twinkling of stars is due to

Question # 10

The light signals are sent from the source

Question # 11

The splitting of white light into several colors on passing through a glass prism is due to

Question # 12

The time taken by light for its passage from M to m and back is

Question # 13

A light wave produced by oscillating charge consists of a periodic variation of

Question # 14

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 15

If the slits in YDS experiment are made closer, fringe spacing will:

Question # 16

Mirage is a phenomenon due to

Question # 17

Michelson,s interferometer can be used to measure

Question # 18

In newton's rings apparatus, we also use:

Question # 19

A line which represents the direction of travel of a wave is known as

Question # 20

Which characteristics of wave, established the Huygen's wave theory in 1801?

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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 In a astronomical telescope the final image for normal vision is formed at
A. The focal of the eye piece
B. The least distance of the distinct vision
C. The focus of the objective lens
D. Infinity
2 To observe diffraction phenomenon the size of a obstacle
A. Should be much larger than the wavelength
B. Should be of the same order as the wavelength
C. Have no relation of wavelength
D. Should be exactly λ/2
3 The contrast in the fringes in an interference pattern depends upon
A. Fringe width
B. Relative intensities of the two sources
C. Distance between the slits
D. Wavelength
4 For destructive interference the path difference is give by:
A. (m-1/2)λ
B. (m+1/2)λ
C. mλ
D. 1/2 mλ
5 If the distance of a surface from light source is doubled,then the luminance will become
A. 1/4 times
B. 1/2 times
C. 2 times
D. 4 times
6 In case of reflection of ray within a denser medium, angle of incidnet is ______ -angle of reflection
A. Greater then
B. Smaller then
C. Equal to
D. None of these
7 Mirage is a phenomenon due to
A. Reflection of light
B. Refraction of light
C. Total internal reflection of light
D. Diffraction of light
8 The idea of light as wave produced by
A. Huygen
B. Newton
C. Thomos Young
D. Michelson
9 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
10 One angstrom equal:
A. 10-8m
B. 10-9m
C. 10-10m
D. 10-11m

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