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

00:00
Question # 1

Which one of the following can act approximately as a source of monochromatic light:

Question # 2

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

Question # 3

Huygen's wave theory of light cannot explain

Question # 4

Ordinary light has components of vibrations in

Question # 5

Just before  setting the sun may appear to be elliptical This happens due to

Question # 6

Optically active substance are those substance which

Question # 7

The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope

Question # 8

Light appears to travels in straight lines since

Question # 9

If N is the number of rulings on the grating, then the resolving power in the mth order diffraction equals to

Question # 10

In order to get interference using two light rays:

Question # 11

In case of diffraction grating, unit of grating element is:

Question # 12

Commercial polarizing material is

Question # 13

The waves propagate in space by the motion of the

Question # 14

Using monochromatic light, interference fringes are produced on a screen placed a distance D from a pair of slits of separation a.
The separation of the fringes is X.
a is now halved and D is increased by a factor of 4.
What is the new fringe separation?

Question # 15

The distance between the concentric wavefronts is

Question # 16

What is the main cause of the shinning of diamond?

Question # 17

The eye piece of a compound microscope acts as a

Question # 18

Maximum detail of object can be seen from a microscope wen light used is of

Question # 19

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 20

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

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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 property of bending of light around obstacies is called
A. interference
B. reflection
C. diffraction
D. polarization
2 Ultra-violet rays differ from X-rays in that ultra - violet rays
A. Cannot be diffracted
B. Cannot be polarized
C. Do not affect a photographic plate
D. Have a lower frequency
3 Maximum number of orders available with a grating is ______ grating element
A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Equal to
4 Light waves are
A. Transverse waves
B. Longitudinal waves
C. Compressional wave
D. None of these
5 Commercial polarizing material is
A. Colour glass
B. Infra red glass
C. Polaroid glass
D. None of these
6 If red light is incident on sea water it appears
A. Red
B. Green
C. Blue
D. Yellow
7 Which Phenomenon proves that nature of light is transverse
A. Interference
B. Diffraction
C. Scattering
D. None
8 A limited region taken on a wavefront which is far away form the source is
A. plane wavefront
B. circular wavefront
C. spherical wavefront
D. elliptical wavefront
9 Light is a type of energy which produces sensation of
A. Sound
B. Feeling
C. Vision
D. None of these
10 Who confirm the wave theory of light ?
A. Newton
B. Michelson
C. Newton
D. Thomos Young

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