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

The transmitter in optical fiber system contains a device called

Question # 2

The distance between the objective and eye-piece of a telescope in normal adjustment is

Question # 3

For obtaining equal and same height mirror should be

Question # 4

Fire optics has ability to transmit

Question # 5

Which of the following is an optically active material

Question # 6

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

Question # 7

Which of the following properties show light is transverse wave in nature?

Question # 8

The light which has components in all directions is called

Question # 9

Characteristics of optic fibre is/are

Question # 10

Wavelength of red color as compared to that of violet color is

Question # 11

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 # 12

The light signal in an optical fibre is totally confined due to the

Question # 13

The resolving power of a grating spectrometer is

Question # 14

When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in

Question # 15

A spherical wavefront is that which has

Question # 16

Which device converts the light signals which these amplified and decoded

Question # 17

The relation for the diffraction pattern, when it is minimum

Question # 18

In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice

Question # 19

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 20

Inverse square law for luminance is valid for

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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 superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:
A. Diffraction
B. Interference
C. Polarization
D. Dispersion
2 Spectrometer using diffraction grating can measure
A. Wavelength of light
B. Frequency of light
C. Intensity of light
D. None of these
3 The transmitter in optical fiber system contains a device called
A. LED
B. Diode
C. Transistor
D. None of these
4 In compound microscope the focal length of eye piece is
A. Large
B. Small
C. Same as objective
D. None of these
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 A diffraction grating of length 2cm has 4000 lines The grating element is
A. 0.5 x 10-2 cm
B. 5 x 104
C. 5 x 10-4
D. 0.5 x 10-4 cm
7 Spherical aberration can be reduced by using
A. Convex lens
B. All the portions of the lens
C. Central portion of the lens
D. Upper portion of the lens
8 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
9 The angle of incidence at which angle of refraction becomes 900 is called
A. Incident angle
B. Angle of refraction
C. Critical angle
D. Phase angle
10 A normal to the waves front showing direction of propagating of wave is called
A. Photon
B. Particle
C. Ray
D. Line

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