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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The distance between two concentric wave fronts is

Question # 2

For the sustained interference of light the necessary condition is that the two sources should

Question # 3

An optical fiber of ______ cm in diameter id equivalent to 7.62 cm diameter bundle of ______ wires to carry the same amount of signals

Question # 4

The image formed after objective lens of an astronomical telescope is

Question # 5

Two sources of light are said to be coherent when the waves produced by them have

Question # 6

The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is

Question # 7

If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  

Question # 8

The focal length of the lens of human eye

Question # 9

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 10

A monochromatic source of light gives light of

Question # 11

Which type of optical fiber has the largest diameter

Question # 12

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 13

A compound microscope is consists of objective of

Question # 14

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 15

The light waves and radio waves differ in

Question # 16

If f = 5 cm and d = 25 cm then the magnification will be

Question # 17

The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

Question # 18

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

Question # 19

Wave length of red colour as compared to that of violet colour is:

Question # 20

The blue color of sky is due to:

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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 An object is placed at a distance of f/2 from a convex lens.The Image will be
A. At one of the foci,virtual and double its size
B. At,3/f real and inverted
C. At 2f,virtual and erect
D. At f,real and inverted
2 Light waves are:
A. Mechanical waves
B. Electromagnetic waves
C. All of above
D. None of above
3 A point on the surface of the mirror where principle axis meets is called
A. Focus
B. Centre of curvature
C. Pole
D. Aperture
4 To get high resolving power for a telescope one should use
A. Objective of large aperture
B. Objective of large focal length
C. Eye piece of large focal length
D. Eye piece of small focal length
5 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct
6 The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:
A. Diffraction
B. Interference
C. Polarization
D. Dispersion
7 Propagation of light in an optical fibre requires
A. Total internal reflection
B. Continuous refraction
C. Both
D. None of these
8 Longitudinal waves do not exhibit
A. Refraction
B. Reflection
C. Diffraction
D. Polarization
9 The ratio of size of the image to the size of the object is called
A. Resolving power
B. Magnification
C. Power
D. None of these
10 The most common method to obtain plane polarized light by using dichoric substance is:
A. Selective absorption
B. Reflection from different surfaces
C. Refraction from different surfaces
D. Scattering

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