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

A point on the surface of the mirror where principle axis meets is called

Question # 2

The resolving power of telescope depends on

Question # 3

Magnification of a convex lens is

Question # 4

In case of destructive interference of two waves, the amplitude of the resultant wave will be_______either of the waves:

Question # 5

In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be

Question # 6

Optic fibers are related with

Question # 7

Star twinkle due to

Question # 8

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 9

When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions is

Question # 10

Wavelength of light of frequency 100 Hz is

Question # 11

Two sources of light are said to be coherent when the waves produced by them have

Question # 12

Inverse square law for luminance is valid for

Question # 13

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 14

The cause of mirage observed in deserts in bright sunlight is due to:

Question # 15

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 16

The digital modulation is expressed in

Question # 17

Monochromatic light directly means waves of

Question # 18

Michelson's interferometer is an instrument used to measure the distance with

Question # 19

An image formed by a concave lens is always

Question # 20

The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will 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 The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources
A. Angular magnification
B. Resolution
C. Magnification
D. None of these
2 Which of the following spectrum have all the frequencies from high to low frequency range?
A. Band spectrum
B. Continuous spectrum
C. Line spectrum
D. Discontinuous spectrum
3 Which device converts the light signals which these amplified and decoded
A. Photo cell
B. Photo diode
C. Photo transistor
D. None of these
4 A material having high refractive index has
A. Low density
B. High density
C. Zero density
D. None of these
5 If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
6 The diffraction grating is used to determine
A. Intensity of light
B. Wavelength of light
C. Refractive index of prism
D. None of these
7 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
8 Who devise the experimental arrangement in 1801 for studying interference effects of light
A. Huygen
B. Young
C. Newton
D. None of these
9 A ______ lens is used in the apparatus to get Newton,s rings
A. Plano-concave
B. Plano-convex
C. Convexo-concave
D. Double convex
10 Ordinary light has components of vibrations in all possible planes. Such light is
A. Unpolarized light
B. Polarized light
C. Both
D. None of these

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