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

Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is

Question # 2

X-rays interact with

Question # 3

If the slits in YDS experiment are made closer, fringe spacing will

Question # 4

Which of the following cannot be polarized?

Question # 5

A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on

Question # 6

A mode of propagation of light through optical fibre in which the light within the fibre is

Question # 7

Turn table is the plateform over which we place

Question # 8

The unpolarized light is

Question # 9

Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?

Question # 10

When light passes through a tourmaline crystal, it becomes

Question # 11

Fringe spacing in YDS experiment will be maximum if we use

Question # 12

The refractive index of a medium is defined as a ratio

Question # 13

Light waves are:

Question # 14

In YDS experiment, condition for constructive interference is that path difference is equal to

Question # 15

Which device converts the light signals which these amplified and decoded

Question # 16

In compound microscope the focal length of eye piece is

Question # 17

Measurement of a standard metre in terms of the wavelength of red cadmium light is

Question # 18

Focal length of convex lens is maximum for

Question # 19

Which of the following colors suffers maximum deviation in a prism?

Question # 20

For incident angles equal or greater than the critical angle the glass air boundary will act as a

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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 Which of the following atoms cannot be detected by X-ray crystallography?
A. carbon
B. nitrogen
C. hydrogen
D. neon
2 The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically
A. ≈ 10-10 m
B. ≈ 10-12 m
C. ≈ 10-8 m
D. ≈ 10-9 m
3 A wider objective and the use of blue light of short wavelength produces
A. Interference
B. Diffraction
C. Less diffraction
D. Polarization
4 According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.
A. Base
B. Source
C. Producer
D. Origin
5 Two layers optical fibre in which central layer is called core which has refractive index
A. High
B. Low
C. Very low
D. None of these
6 If 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ
A. Cannot be determine
B. Can be determined in same cases
C. Can be determined
D. None of these
7 Fraunhofer's lines commonly visible in the sun's spectrum are examples of
A. Line emission spectrum
B. Line absorption spectrum
C. Band emission spectrum
D. Band absorption spectrum
8 The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called
A. Far point
B. Near point
C. distant point
D. None of these
9 Which of the following is conserved when light waves interfere?
A. Intensity
B. Energy
C. Amplitude
D. Momentum
10 2 d sin θ = nλ can be used to determine the
A. Inter planar spacing
B. Wavelength
C. Incident angle
D. All of these

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