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

In case of destructive interference of two waves, the amplitude of the resultant wave will be_______either of the waves:

Question # 2

The cause of power loss in optic fibre is

Question # 3

The image formed after objective lens of an astronomical telescope is

Question # 4

When 'θ' is small then

Question # 5

The distance between two concentric wave fronts is

Question # 6

 In the phenomenon of interference, the bright and dark fringes are of

Question # 7

The optical fibre is covered for protection with

Question # 8

Measurement of a standard metre in terms of the wavelength of red cadmium light is

Question # 9

In the Newton's ring, as we proceed towards the periphery of the lens, the thickness of air film

Question # 10

The distance between different interference fringes are:

Question # 11

The fringe spacing varies directly with

Question # 12

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 13

Two lenses of power +12 and -2 diopters are placed in contact the power of combination is

Question # 14

The experimental evidence in support of wave theory in Huygen's time was

Question # 15

The light form Sun reaches earth in the form of

Question # 16

Ultra-violet rays differ from X-rays in that ultra - violet rays

Question # 17

Which is having minimum wavelength?

Question # 18

Inverse square law for luminace is valid for

Question # 19

Propagation of light in an optical fiber requires that light should be

Question # 20

The wave nature of light was proposed by:

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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 Two lenses of power +12 and -2 diopters are placed in contact the power of combination is
A. 10 diopters
B. 8 diopters
C. 6 diopters
D. 12 diopters
2 Polaristion is a phenomenon associated with a certain type of wave.
Which condition must be fulfilled if the wave is to be polarised?
A. It must be a light wave
B. It must be a longitudinal wave
C. It must be a light wave
D. It must be a transverse wave
3 An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is
A. 6 cm
B. 9 cm
C. 10 cm
D. 18 cm
4 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
5 The waves propagate in space by the motion of the
A. wavelengths
B. frequencies
C. wavefronts
D. none of them
6 An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is
A. 1/3
B. 2/3
C. 3/4
D. None
7 The absence of light in the optical fibres represents the number
A. 0
B. 1
C. 2
D. -1
8 Choose the correct statement
A. Rays are normal to wave front
B. Rays may be normal to wave front
C. Rays are not normal to wave front
D. There is no relationship between rays and wave fronts
9 Which one of the following phenomenon cannot be explained by the wave theory of light ?
A. Reflection
B. Refraction
C. Photoelectric effect
D. Diffraction
10 Which of the following converts electrical signals into light signals?
A. optical fibre
B. receiver
C. reflector
D. transmitter

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