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 convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity

Question # 2

When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions is

Question # 3

In an interference pattern of Ypung's double Slit (YDS) experiment:

Question # 4

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 5

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

Question # 6

The fringes produced in Young's double slit experiment will be wider if the distance between the two slits is

Question # 7

Which one of the following phenomena is not explained by Huygen's construction of wavefront?

Question # 8

In an optical fibre the speed of light is

Question # 9

A material having high refractive index has

Question # 10

The image of an object 5 mm length is only 1 cm high. The magnification of the lens is

Question # 11

When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in

Question # 12

The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths

Question # 13

Choose the correct statement

Question # 14

Which of the following is conserved when light waves interfere?

Question # 15

To get three images of a single object,one should have two plane mirrors at an angle of

Question # 16

To observe the phenomenon of interference of light, the light should be

Question # 17

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

Question # 18

For a point source of light the wave front produced are

Question # 19

Inspite of different dispersion, all the wavelengths arrive at the other end of the fibre at the same time. With a step-index fibre overall time difference may be about

Question # 20

Consider telecommunication through optical fibers.Which of the following statements is not true?

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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 The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called
A. Far point
B. Near point
C. distant point
D. None of these
2 A compound microscope is consists of objective of
A. Long focal length and short focal length of eye piece
B. Objective of very short focal length and eye piece of long focal length
C. Objective of very short focal length end eye piece of also short focal length
D. None of these
3 How many types of the optical fibres are
A. One
B. Two
C. Three
D. Four
4 The waves produced in a stretched string are called
A. Stationary waves
B. Mechanical waves
C. Transverse mechanical waves
D. None of these
5 A convex lens is dipped in a liquid whose refractive index is equal to the material of the lens. Then its focal length will become
A. Infinite
B. Zero
C. Extremely small
D. Extremely large
6 In newton's rings apparatus, we also use:
A. Spectroscope
B. Telescope
C. Microscope
D. Any of these
7 We can achieve polarization by
A. Absorption
B. Reflection
C. Scttering
D. All of above
8 Due to dispersion effects, white light source is useful for
A. Long distance
B. Short distance
C. Very long distances
D. None of these
9 Optic fibers are related with
A. Communication
B. Light
C. Computer
D. None of these
10 Which one of the following is an optically active substance?
A. Quartz crystal
B. Calcite crystal
C. Sugar solution
D. All of these

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