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

Multimode step index fibre has diameter as

Question # 2

In young's slit experiment on interference the ratio of the intensities of a bright band and a dark band is 6 : 1 the ratio of the amplitudes o the interfering waves is

Question # 3

Who attempted to measure the speed of light

Question # 4

Why laser rays are used to measure long distance?

Question # 5

The materials which are used in selective absorption method to polarize the light are

Question # 6

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

Question # 7

Angular magnification of a simple microscope is given as

Question # 8

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 9

The light source used in multimode step index fibre is

Question # 10

Which does not show polarization

Question # 11

The ratio of fringes with for bright and dark fringes is

Question # 12

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

Question # 13

Newton's rings are:

Question # 14

The practical use of services by optic fiber is

Question # 15

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

Question # 16

A limited region taken on a wavefront which is far away form the source is

Question # 17

If f = 5 cm and d = 25 cm then the magnification will be

Question # 18

If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute

Question # 19

A compound microscope is consists of an eye piece  of focal length

Question # 20

The fibre core has constant refractive index such as

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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 Angle subtended by any side of the eight-sided mirror at the center is
A. π/8
B. π/4
C. 2π/8
D. 2π/4
2 Michelesion's interferometer is an instrument usually used to measure
A. intensity of light
B. speed of light
C. wavelength of light
D. dispersion of light
3 A simple astronomical telescope consists of
A. Two convex lenses
B. Three convex and one cocave
C. Two concave lens
D. None of these
4 In the study of interference and diffraction, we consider
A. plane waves
B. plane wavefronts
C. both of them
D. none of them
5 Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?
A. microwave
B. infrared
C. ultraviolet
D. X-ray
6 Geometrical optics cannot give following characteristics for a microscope
A. Image position
B. Image size
C. Resolution of image
D. Any of the above
7 Two lenses of power +12 and -2 diopters are placed in contact the power of combination is
A. 10 diopters
B. 8 diopters
C. 6 diopters
D. 12 diopters
8 If the bright fringe into be observed then we have relation
A. Y = mLd/λ
B. Y = mλL/d
C. Y = λd/mL
D. Y = λL/md
9 A compound microscope is consists of an eye piece  of focal length
A. Short
B. Very short
C. Large
D. Very large
10 A _____ lens is used in the apparatus to get newton's ring:
A. Plano-concave
B. Plano-convex
C. Convexo concave
D. Double covex

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