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

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Question # 1

Which of the following light move faster in water

Question # 2

Huygen principle is used to determine:

Question # 3

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Question # 4

An optical fibre with its protective case may be typically 6.0 mm in diameter and yet it can replace bundle of copper of diameter

Question # 5

A normal to the waves front showing direction of propagating of wave is called

Question # 6

If the vibrations of the light wave are confined to one plane only, then this light is called

Question # 7

The phenomenon of polarization proves that the light waves are

Question # 8

When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is

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

A compound microscope is consists of

Question # 11

Cladding means a layer of ______ refractive index over the central core of ______ refractive index

Question # 12

An optical fiber carries data in the form

Question # 13

A line normal to the wavefront including the direction of motion is called

Question # 14

The angle with the horizontal at which an underwater swimmer will see the setting sun is

Question # 15

Light of wavelength 800 n m is incident on a pair of slits, forming fringes 4.0 mm apart on a screen. What is the fringe when light of 400 nm is used and the slit separation is halved?

Question # 16

Given that grating element = 0.2 x 10-3cm in case of a diffraction grating. Then number of lines per centimeter will be

Question # 17

The twinkling of stars is due to

Question # 18

Colours seen on oily water surface by the incident white light is due to

Question # 19

The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber

Question # 20

For constructive interference the path difference is

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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 line which represents the direction of travel of a wave is known as:
A. Spherical wavefront
B. Locus
C. Ray
D. Either B or C
2 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
3 Multimode step index fibre has diameter as
A. 40 μm
B. 50 μm
C. 60 μm
D. None of these
4 For which color of light the refractive index of glass is larger
A. Red
B. Green
C. Blue
D. Violet
5 Light waves produce interference when
A. source are monochromatic
B. source are phase coherent
C. sources are close together
D. all of them
6 In Young s experiment the distance between two adjacent fringes for blue light is than that for green light
A. Lesser
B. Greater
C. Equal
D. Lesser if distance between source and screen is large
7 The time taken by light for its passage from M to m and back is
A. 2c/d
B. d/2c
C. 2d/c
D. d2/2c
8 Zero order image formed by the grating when the angle the along the direction of normal to grating is
A. Zero
B. 90o
C. 180o
D. None of these
9 Conventionally, all the distances p, q, f, are measured from ______ of the lens
A. Focus
B. Optical center
C. Edges
D. Centre of curvature
10 To get three images of a single object,one should have two plane mirrors at an angle of
A. 90°
B. 120°
C. 30°
D. 160°

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