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

Huygen's principle states that:

Question # 2

In Michelsion's interoferometer, if the moveable mirror is moved through a distance 0.05 mm and 500 finges are observed, then the wavelength of light used is

Question # 3

Optically active substance are those substance which

Question # 4

Light traveling through vacuum enters water which characteristic of light does not charge

Question # 5

Which of the following theories of light are explained by the Young's double slit experiment?

Question # 6

Michelesion's interferometer is an instrument usually used to measure

Question # 7

Huygen's wave theory of light cannot explain

Question # 8

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

Question # 9

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

Question # 10

A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses

Question # 11

A thin film is a transparent medium whose thickness with the wavelength of light are

Question # 12

In Young's double slit experiment, the widths of dark and bright fringes are

Question # 13

Which of the following frequency ranges includes most of the electromagnetic waves emitted by the ultra - violet tubes used in a sun bed?

Question # 14

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

Question # 15

The information received at the other end of a fibre can be inaccurate due to

Question # 16

The idea of light as wave produced by

Question # 17

A pulse of light in the optical fibres represents the number

Question # 18

When the object lies between F and 2F the image formed by a convex lens is

Question # 19

Identify the incorrect statement

Question # 20

The plane of polarization is rotated many degrees when a thickness of such crystal 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 For constructive interference path difference should be
A. Integral multiple of λ/2
B. Integral multiple of λ
C. Odd integral multiple of λ
D. Odd integral multiple of λ/2
2 The digital modulation is expressed in
A. Bytes
B. Codes
C. Bits
D. None of these
3 An object is placed between the focus and the optical center of the convex lens. The image formed is
A. Real, erect and magnified
B. Virtual, inverted and magnified
C. Virtual, erect and diminished
D. Virtual, erect and magnified
4 The contrast in the fringes in an interference pattern depends upon
A. Fringe width
B. Relative intensities of the two sources
C. Distance between the slits
D. Wavelength
5 Light waves are:
A. Mechanical waves
B. Electromagnetic waves
C. All of above
D. None of above
6 If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be
A. 5 x 10-3A°
B. 2 x 10-4A°
C. 5 x 10-5A°
D. 2 x 104A°
7 Conventionally, all the distances p, q, f, are measured from ______ of the lens
A. Focus
B. Optical center
C. Edges
D. Centre of curvature
8 A double convex lens acts as a diverging lens when the object is
A. Between f and 2f
B. At the foucs
C. Inside the focus
D. All of these
9 In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?
A. Single mode step index
B. multimode step index
C. multimode graded index
D. all of them
10 The refractive index of a medium is defined as a ratio

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