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

When a plane polarized light is passed through certain crystals they

Question # 2

For interference to occur, the light coming from the two slits should

Question # 3

Multimode step index fibre has diameter as

Question # 4

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

Question # 5

The minimum distance between an object and its image in a convex lens is

Question # 6

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 7

Ultra-violet rays differ from X-rays in that ultra - violet rays

Question # 8

Newton's rings are formed due to

Question # 9

In Young's double slit experiment for the interference of light, the central region of the fringe system is

Question # 10

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

Question # 11

When the source of light is at very large distance, the shape of wavefront is:

Question # 12

The experimental evidence in support of wave theory in Huygen's time was

Question # 13

In Young s double slit experiment the separation between the slits in halved and the distance between the slits and the screen is doubled the fringe with will

Question # 14

In multi-mode step index optical fibre, that layer is called cladding which has

Question # 15

The resolving power of human eye is

Question # 16

The wavelength of refractive wave in a denser medium is

Question # 17

The resolving power of a grating spectrometer is

Question # 18

A monochromatic source of light gives light of

Question # 19

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

Question # 20

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

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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 A thin film is a transparent medium whose thickness is comparable with the wavelength of
A. light
B. sound
C. any one of them
D. none of them
2 Light signals in an optical fibre eventually become dim and must be regenerated by devices called
A. transmitters
B. receivers
C. photodiodes
D. none of them
3 Conventionally, all the distances p, q, f, are measured from ______ of the lens
A. Focus
B. Optical center
C. Edges
D. Centre of curvature
4 A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses
A. ≈ 200 mm
B. ≈ 210 mm
C. ≈ 213 mm
D. ≈ 233 mm
5 The cause of mirage observed in deserts in bright sunlight is due to:
A. Refraction of light
B. Reflection of light
C. Scattering of light
D. Total internal reflection of light
6 If focal length of objective is increased
A. Magnifying power of compound microscope decreased
B. Magnifying power of astronomical telescope increases
C. The diameter of the objective lens
D. None of these
7 With tremendous information carrying capacity is called
A. Data entry
B. Band width
C. Word processing
D. None of these
8 The fringe spacing in case of red light
A. Increases
B. Decreases
C. Remains the same
D. None of these
9 The speed of light in a medium of refractive index 1.5 is
A. 3 x 108ms-1
B. 4.5 x 108ms-1
C. 2.0 x 108ms-1
D. None of these
10 In the Young's double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled the fringe width is
A. Halved
B. Unchanged
C. Doubled
D. Quadrupled

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