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

A double convex lens acts as a diverging lens when the object is

Question # 2

An optical fibre with its protective case may be typically 6.0 mm in diameter and yet it can replace bundle of copper of diameter

Question # 3

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 # 4

The regular array of atoms in a crystal has spacing of the order of

Question # 5

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 6

What is the time taken by light to travel 4 mm in a material of refractive index 3

Question # 7

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

Question # 8

The information carrying capacity in an optical fibre is called

Question # 9

The light source used in multimode step index fibre is

Question # 10

If the red light is replaced by blue light illuminating the object in a microscope the resolving power of the microscope

Question # 11

An object is placed between the focus and the optical center of the convex lens. The image formed is

Question # 12

In Young's double slit experiment, the fringe width depends on

Question # 13

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Question # 14

Cladding in an optical fiber is used to

Question # 15

The cause of mirage observed in desert is

Question # 16

Fraunhofer's lines commonly visible in the sun's spectrum are examples of

Question # 17

The angle of incidence at which angle of refraction becomes 900 is called

Question # 18

The waves produced in a stretched string are called

Question # 19

When a ray of light enters a denser medium from a rarer medium,its:

Question # 20

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

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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 Laws of reflection and refraction can also be explained by:
A. Particle nature of light
B. Quantum nature of light
C. Wave nature of light
D. Complex nature of light
2 What is the main cause of the shinning of diamond?
A. Reflection
B. Refraction
C. Total internal reflection
D. Dispersion of light
3 The cause of mirage observed in desert is
A. Refraction
B. Reflection
C. Scattering
D. Total internal reflection
4 The property of light which does not change with the nature of the medium is:
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
5 When two lights waves travelling in the same direction are in phase at any point, they producing
A. constructive interference
B. destructive interference
C. dispersion
D. polarization
6 In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then
A. No fringes are observed
B. All fringes will be darks
C. bright fringes will be less bright and dark will be less dark
D. Bright fringes will be brighter and dark fringes will be darks
7 The light source used in multimode step index fibre is
A. A monochromatic source
B. Red light
C. White light
D. None of these
8 The ability of an instrument of reveal the minor details of an object under examination is called
A. Resolution
B. Magnification
C. Resolving power
D. Dispersion
9 The light signals are sent from the source
A. A ordinary source
B. A monochromatic light source
C. A moulticolour source
D. None of these
10 Snell's Law is defined as
A. n1 sin θ2 = n2 sin θ
B. n sin θ1 = n1 sin θ2
C. n1 sin θ1 = n2 sin θ2
D. None of these

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