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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The resolving power of a grating spectrometer is

Question # 2

Two sources are said to be coherent if they have:

Question # 3

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 4

The light from the sun reaches to earth with wavefronts

Question # 5

A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.

Question # 6

The optical fibre has a layer over the central layer is called cladding of refractive index

Question # 7

Two lenses of power +12 and -2 diopters are placed in contact the power of combination is

Question # 8

Who confirm the wave theory of light ?

Question # 9

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 10

A thin layer of oil on the surface of water looks colored due to:

Question # 11

If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift

Question # 12

What will be the colour of the sky as seen from the earth if there were no atmosphere ?

Question # 13

The speed of light in other material is always

Question # 14

Two layers optical fibre in which central layer is called core which has refractive index

Question # 15

A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is

Question # 16

Alexander graham bell transmits a voice message via a

Question # 17

Wavelength of light, on the average, is given by

Question # 18

In an optical fibre the speed of light is

Question # 19

Optical device used in spectrometer

Question # 20

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

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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 resolving power of a grating spectrometer is
2 In order to get interference using two light rays:
A. The sources should be monochromatic and coherent
B. The sources should have the same frequency
C. Superposition should be linear
D. All of these
3 The ratio of the diameter of two convex lenses is the ratio of their focal lengths
A. Greater than
B. Less than
C. Equal to
D. None
4 When an image is placed at the focal length of the eye piece, the final image formed at
A. 2 F
B. 4 F
C. 6 F
D. Infinity
5 With tremendous information carrying capacity is called
A. Data entry
B. Band width
C. Word processing
D. None of these
6 Two wave of intensities I an 4I superpose then the maximum and minimum intensities are
A. 5I and 3I
B. 9I and I
C. 9I and 3I
D. 5I and I
7 The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is
8 Graham Bell photo phone used a modulated beam of
A. Reflected sun light
B. Refracted sun light
C. Diffracted sun light
D. None of these
9 In YDS experiment, the condition for constructive interference of two coherent waves is that the path difference should be
A. Integral multiple ofλ/2
B. Integral multiple ofλ
C. Even integral multiple ofλ/2
D. Both A and C
10 Wavelength of a laser beam can be used as a standard of
A. Time
B. Angle
C. Length
D. Temperature

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