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

Cladding in an optical fiber is used to

Question # 2

Ray optics is valid,when characteristic dimensions are

Question # 3

Which device converts the light signals which these amplified and decoded

Question # 4

In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then

Question # 5

We can divide the optical fibres on the basis of the mode by which they propagate light in

Question # 6

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

Question # 7

If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at

Question # 8

Proportion of light in an optical fibre requires that the light-should be within the fibre

Question # 9

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

Question # 10

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

Question # 11

The polarized can be achieved by using process like

Question # 12

The phenomenon of polarization proves that the light waves are

Question # 13

A compound microscope is consists of an eye piece  of focal length

Question # 14

In the study of interference and diffraction, we consider

Question # 15

We can achieve polarization by

Question # 16

In thin film colours are due to

Question # 17

The ability of an instrument of reveal the minor details of an object under examination is called

Question # 18

When a ray of light goes from a denser medium into a rare medium

Question # 19

The speed of light in vacuum is 3 x 108 ms-1.Its speed in a medium of refractive index 1.5 will be

Question # 20

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

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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 To find wavelength of light by his experiment. Newton utilized:
A. Principle of phase change
B. Snell's Law
C. Bragg's law
D. Both (A) and (C)
2 In Young's double slit experiment, the fringe width depends on
A. wavelength of the light used
B. distance between the slits and screen
C. distance between the slits
D. all of them
3 What is the time taken by light to travel 4 mm in a material of refractive index 3
A. 4 x 10-11 s
B. 2 x 10-11 s
C. 16 x 10-11 s
D. 8 x 10-11 s
4 Wave length of red colour as compared to that of violet colour is:
A. Smaller
B. Longer
C. Equal
D. None of these
5 When a ray of light goes from a denser medium into a rare medium
A. The wavelength of light is decreased
B. The frequency of light increased
C. The speed of light is increased
D. The light undergoes a phase change of π
6 To wavelength of light by his experiment , Newton utilized:
A. Wavelength of light
B. Intensity of light
C. amplitude wave
D. None of above
7 If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by
A. λ/4
B. λ/2
C. λ
D. 3/2λ
8 For interference to occur,the interfering beams of light must be
A. Of different frequencies
B. Coherent
C. White light
D. Added
9 The fibre core has constant refractive index such as
A. 1.48
B. 1.5
C. 1.52
D. 1.56
10 For interference to occur the two light waves should be:
A. Of two different frequencies
B. Coming from opposite directions
C. Of high intensity
D. Monochromatic

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