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 twinkling of stars is due to

Question # 2

Speed of light in vacuum depends upon:

Question # 3

The light which has components in all directions is called

Question # 4

For obtaining equal and same height mirror should be

Question # 5

If the focal length of the eye piece 25.0 mm find its magnification

Question # 6

The splitting of white light into several colors on passing through a glass prism is due to

Question # 7

Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is

Question # 8

The speed of light in vacuum is 3 x 108 ms-1.Its speed in a medium of refractive index 1.5 will be

Question # 9

The wavefront formed at very large distance from the source is:

Question # 10

With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 11

The focal length of the lens of human eye

Question # 12

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

Question # 13

A compound microscope is consists of objective of

Question # 14

The difference between 1st ring fringe and 1st dark fringe is measured as

Question # 15

The light waves and radio waves differ in

Question # 16

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width:

Question # 17

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

Question # 18

A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is

Question # 19

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 20

Zero order image formed by the grating when the angle the along the direction of normal to grating 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 If d = 0.25 cm   Y = 0.059 cm   L = 100 cm    m = 2 then λ is equal to
A. 567 nm
B. 569 nm
C. 590 nm
D. 596 nm
2 A spectrometer is used to find
A. Wavelength of light
B. Refractive index of the prism
C. Angle of minimum deviation of prism
D. All of these
3 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct
4 Multimode step index fibre is useful for
A. short distance
B. long distance
C. both a and b
D. none of them
5 The limit of which a microscope can be used to resolve details of an object, demands
A. Wider objective and light of short wavelength
B. Narrow objective and light of short wavelength
C. Narrow objective and light of longer wavelength
D. None of these
6 In the thin film, the path difference between the two reflecting waves depends upon
A. thickness of film
B. nature of film
C. angle of incidence
D. all of them
7 For incident angles equal or greater than the critical angle the glass air boundary will act as a
A. Convex mirror
B. Concave mirror
C. Mirror
D. None if them
8 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
9 Turn table is the plateform over which we place
A. Diffraction grating
B. Prism
C. Glass slab
D. a and b
10 Such a surface on which all the points have the same phase of vibration is known as
A. wavefront
B. amplitude
C. displacement
D. all of them

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