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

At points where the crest (or trough) of one wave coincides with the crest (or trough) of the other wave, the wave produces

Question # 2

One angshom is equal to?

Question # 3

Which of the following atoms cannot be detected by X-ray crystallography?

Question # 4

The angle of incidence at which angle of refraction becomes 900 is called

Question # 5

The position of a new wavefront after a certain interval of time can be found by constructing a surface that is

Question # 6

With the help of interferometer, we can find the

Question # 7

In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:

Question # 8

The function of colimator is

Question # 9

Phase change of 180° is equivalent to a path difference of

Question # 10

The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in

Question # 11

The time taken by the mirror M to rotate through an angle 2π/8 is

Question # 12

The resolving power of human eye is

Question # 13

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

Question # 14

Wavelength of a laser beam can be used as a standard of

Question # 15

The minimum number of lenses used in compound microscope is

Question # 16

The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths

Question # 17

When the light is incident on polarizing angle which of the following is completely polarized?

Question # 18

The regular array of atoms in a crystal has spacing of the order of

Question # 19

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

Question # 20

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

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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 Wave front is the locus or all points in vibration are in the same
A. Frequency
B. Phase
C. Wavelength
D. All of these
2 Which property of waves proves that light is a transverse wave?
A. diffraction
B. interference
C. polarization
D. reflection
3 The diffraction is found to be prominent when the wavelength of light is
A. small as compared with the size of obstacle
B. large as compared with the size of obstacle
C. equal as compared with the size of obstacle
D. Very small as compared with the size of the obstacle
4 The path difference involved in interference in thin films depends upon
A. Thickness and nature of thin films
B. Angular of incidence of light
C. Nature of media on both sides of thin film
D. All of these
5 Calculate the critical angle when core refractive index is 1.50 and cladding of refractive index 1.48
A. 70.3o
B. 80.9o
C. 80.6o
D. 89.6o
6 The diffraction grating is used to measure
A. wavelength of light
B. focal length of a lens
C. refractive index of prism
D. polarization of light
7 Ray optics is valid,when characteristic dimensions are
A. Of the same order as the wavelength of light
B. Much smaller than the wavelength of length
C. Of the order of one millimeter
D. Much larger than the wavelength or light
8 Which one of the following phenomenon cannot be explained by the wave theory of light ?
A. Reflection
B. Refraction
C. Photoelectric effect
D. Diffraction
9 Light is a type of energy which produces sensation of
A. Sound
B. Feeling
C. Vision
D. None of these
10 The blending of light when it passes from one medium to another is known as:
A. Refraction
B. Interfarance
C. Polarization
D. Both (B) and (C)

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