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

Light appears to travel in straight line because

Question # 2

The wave nature of light was first proposed by

Question # 3

Which light travels faster in optical fibres?

Question # 4

Resolving power of a telescope depends on:

Question # 5

The locus of all the points in the same phase of vibration is called:

Question # 6

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 7

According to Huygen's principle:

Question # 8

A ray of light reflected from a dense medium under goes a phase change of:

Question # 9

The most common method to obtain plane polarized light by using dichoric substance is:

Question # 10

Due to dispersion effects, white light source is useful for

Question # 11

A _____ lens is used in the apparatus to get newton's ring:

Question # 12

If focal length of objective is increased

Question # 13

The ratio of the diameter of two convex lenses is the ratio of their focal lengths

Question # 14

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

Question # 15

Newton's rings are formed due to

Question # 16

If we know the refractive index of glass, speed v of light in the glass can be found by

Question # 17

When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is

Question # 18

The light form Sun reaches earth in the form of

Question # 19

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 20

A polaroid is:

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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 case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves
A. Greater then
B. Smaller then
C. Equal to
D. None of these
2 Light waves are:
A. Mechanical waves
B. Electromagnetic waves
C. All of above
D. None of above
3 The minimum number of lenses used in compound microscope is
A. 1
B. 2
C. 3
D. 4
4 An optical fiber carries data in the form
A. Lights signals
B. Sound signals
C. A wave
D. A particle
5 Which device converts the light signals which these amplified and decoded
A. Photo cell
B. Photo diode
C. Photo transistor
D. None of these
6 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
7 Which type of fibre is used to send the signals of long distances?
A. single mode step index fibre
B. multimode step index fibre
C. multimode graded index fibre
D. all of them
8 Michelson's interferometer is an instrument that is capable of measuring distance with
A. low precision
B. high precision
C. extremely high precision
D. extremely low precision
9 We can achieve polarization by
A. Absorption
B. Reflection
C. Scttering
D. All of above
10 Fringe spacing ΔY is the distance between two adjacent bring fringes on the screen is
A. ΔY = Lλ/d
B. ΔY = Ld/λ
C. ΔY = dλ/L
D. ΔY = Lλ/d m

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