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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

When two lights waves travelling in the same direction are in phase at any point, they producing

Question # 5

Multi-mode step index fibre index fibre is used to send

Question # 6

Why laser rays are used to measure long distance?

Question # 7

Ordinary light has components of vibrations in all possible planes. Such light is

Question # 8

The wave nature of light was proposed by:

Question # 9

The magnifying power of a simple microscope can be increased if we use eye piece of

Question # 10

With tremendous information carrying capacity is called

Question # 11

The multi-mode step index optical fibre, the central core has

Question # 12

The image formed after objective lens of an astronomical telescope is

Question # 13

A compound microscopes consists of objective of

Question # 14

An optical instrument used to see very far off objects is called

Question # 15

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 16

Near and far points of a healthy human eye respectively are

Question # 17

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 18

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

Question # 19

The light form Sun reaches earth in the form of

Question # 20

The function of colimator 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 A line normal to the wave front is called
A. A beam of light
B. A ray of light
C. Both
D. None of these
2 The limit of which a microscope can be used to resolve details of an object, demands
A. Wider objective and light of short wavelength
B. Narrow objective and light of short wavelength
C. Narrow objective and light of longer wavelength
D. None of these
3 Who proposed wave theory of light
A. Huygens
B. Galileo
C. Einstein
D. Newton
4 With the help of interferometer, we can find the
A. Wavelength
B. Frequency
C. Phase
D. None of these
5 The focal length of the lens of human eye
A. Is fixed
B. Varies from zero to infinity
C. Can be increased only
D. Can be decreased only
6 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
7 The light waves and radio waves differ in
A. Speed
B. Frequency
C. Wavelength
D. Both B and C
8 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
9 The angle with the horizontal at which an underwater swimmer will see the setting sun is
A. 91°
B. 32°
C. 49°
D. 69°
10 In an interference fringes pattern the fringes are
A. Equally spaced
B. Wider near the centre and narrower away from it
C. Narrower near the centre and wider away from it
D. None of these

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