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

Mirage is a phenomenon due to

Question # 2

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

Question # 3

For the normal setting of a telescope

Question # 4

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 5

X-ray crystallography can be used to get what information about the structure of a compound?

Question # 6

The diffraction is found to be prominent when the wavelength of light is

Question # 7

Colours seen on oily water surface by the incident white light is due to

Question # 8

Refractive index of material depends upon

Question # 9

Power of a lens is equal to

Question # 10

In Michelsion's interoferometer, if the moveable mirror is moved through a distance 0.05 mm and 500 finges are observed, then the wavelength of light used is

Question # 11

Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called

Question # 12

The Plano-convex lens used in the Newton's rings are of focal length

Question # 13

The focal length of the lens of human eye

Question # 14

Single mode step index fibre has feature/s like

Question # 15

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

Question # 16

When light signal travels along fibres, the power losses are mainly due to

Question # 17

Due to dispersion effects, white light source is useful for

Question # 18

The speed of light in vacuum or in air is

Question # 19

Geometrical optics cannot give following characteristics for a microscope

Question # 20

The diffraction of light occurs, due to interference, of

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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 How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm
A. 200
B. 300
C. 20.4
D. 2.3
2 Newton's rings are formed due to
A. Refraction of light
B. Diffraction of light
C. Interference of light
D. None of these
3 In a simple microscope if the final image is located at infinity then its magnifying power is
A. 25/f
B. 25
C. f/25
D. [1 + (25/f)]
4 Which of the following is the most common method to obtain polarized light?
A. selective absorption
B. reflection from different surfaces
C. refraction through crystals
D. scattering by small particles
5 The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as
A. Astigmatism
B. Chromatic
C. Spherical aberration
D. Coma
6 Multi-mode step index fibre index fibre is used to send
A. white light
B. green light
C. a strong monochromatic light
D. yellow light
7 The relation d sinθ = nλ, where 'n' is the
A. Number of bright fringes
B. Number of dark fringes
C. Order of the spectrum
D. None of these
8 If the distance of a surface from light source is doubled,then the luminance will become
A. 1/4 times
B. 1/2 times
C. 2 times
D. 4 times
9 The function of compensator plate in interferometer is to
A. Interfere properly
B. To equalize the distance of M1 and M2
C. Reflecting light properly
D. None of these
10 Confining the light vibrations in one plane is called:
A. Reflection of light
B. Interference of light
C. Polarization of light
D. Diffraction of light

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