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 the thin film, the path difference between the two reflecting waves depends upon

Question # 2

According to the Huygen's principle, the secondary wavelets propagate in the forward direction with a speed equal to

Question # 3

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

Question # 4

Multimode step index fibre is useful for

Question # 5

A telescope is rotatable about the same vertical axis as the turntable, with a scale which is

Question # 6

A convex lens has focal length F.An object is placed at P then

Question # 7

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 8

The twinkling of stars is due to

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

There will be no change in _______ of light entering glass

Question # 11

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 # 12

The wave propagates in space by the motion of the

Question # 13

Angle subtended by any side of the eight-sided mirror at the center is

Question # 14

The typical wavelength of light source in transmitter is

Question # 15

To find wavelength of light by his experiment. Newton utilized:

Question # 16

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 17

For obtaining equal and same height mirror should be

Question # 18

The property of light which makes light possible to be transmitted into inaccessible place is

Question # 19

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

Question # 20

For constructive interference path difference should be

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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 2 d sin θ = nλ can be used to determine the
A. Inter planar spacing
B. Wavelength
C. Incident angle
D. All of these
2 How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper
A. The upper half of the image is cut off
B. The brightness of the image is reduce
C. The brightness of the image is increased
D. Lower half of the image is cut off
3 The cause of mirage observed in desert is
A. Refraction
B. Reflection
C. Scattering
D. Total internal reflection
4 The light form Sun reaches earth in the form of
A. plane wavefront
B. circular wavefront
C. spherical wavefront
D. elliptical wavefront
5 The position of a new wavefront after a certain interval of time can be found by constructing a surface that is
A. A tangent
B. A tangent envelope
C. Curved surface
D. None of these
6 A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called
A. Step index fibre
B. Multimode step index fibre
C. Multimode graded index
D. None of these
7 Frequency of red colour as compared to that of violet colour is:
A. Equal
B. Smaller
C. Greater
D. None of these
8 In the formulaαamino = 1.22λ/D, D denotes
A. Distance between source and the object
B. Diameter of lens
C. Power of the lens in Diopters
D. None of these
9 Newton's rings are:
A. Rectangular
B. Spherical
C. Concentric circles
D. None of these
10 The light signal in an optical fibre is totally confined due to the
A. total internal reflection
B. continuous refraction
C. both of them
D. either of them

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