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

The waves produced in a stretched string are called

Question # 2

Which property of waves proves that light is a transverse wave?

Question # 3

The typical example/examples of optically active crystals

Question # 4

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

Question # 5

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

Question # 6

In which of the optical fibres, the propagation of light signal is through continuous refraction?

Question # 7

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Question # 8

An object is placed between the focus and the optical center of the convex lens. The image formed is

Question # 9

The resolving power of a grating spectrometer is

Question # 10

X-ray crystallography can be used to get what information about the structure of a compound?

Question # 11

The light signal in graded index fibre is totally confined due to

Question # 12

Diffraction of X-ray by crystals show that

Question # 13

The image formed by an eyepiece of compound microscope is

Question # 14

The reflected light is

Question # 15

In the thin film, the path difference of two reflected ray depends upon

Question # 16

Spectrometer using diffraction grating can measure

Question # 17

In YDS experiment using white light

Question # 18

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

Question # 19

Newton's rings are:

Question # 20

Conditions for interference are that the two sources should be coherent and:

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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 ray of light reflected from a dense medium under goes a phase change of:
A. 30°
B. 60°
C. 90°
D. 180°
2 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm
3 Just before  setting the sun may appear to be elliptical This happens due to
A. Diffraction
B. Reflection
C. Dispersion
D. Refraction
4 Single mode step index fibre has
A. Thick core and large cladding
B. Thick core and shorter cladding
C. Thin core and shorter cladding
D. Thin core and larger cladding
5 The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as
A. Astigmatism
B. Chromatic
C. Spherical aberration
D. Coma
6 Who confirm the wave theory of light ?
A. Newton
B. Michelson
C. Newton
D. Thomos Young
7 Every point of a wavefront may be considered as a
A. Source
B. Source of wavefront
C. Source of secondary wavefront
D. None of these
8 Inverse square law for luminace is valid for
A. Search light
B. Isotropic point source
C. Cylindrical source
D. All types of source
9 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
A. Screws of the spectrometer
B. Leveling screws
C. Turn table screw
D. None of these
10 Huygen's wave front which sends out secondary wavelets with a speed equal to
A. Speed of propagation of the wave
B. Speed of propagation greater than wave
C. Speed of propagation less than the wave
D. None of these

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