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

The function of compensator plate in interferometer is to

Question # 2

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

Question # 3

The magnification is negative for

Question # 4

In viewing the distant objects the angle subtended at the telescope is

Question # 5

The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically

Question # 6

The light signal in graded index fibre is totally confined due to

Question # 7

If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is

Question # 8

In Bragg's formula, the path difference should beam integral multiple of the wavelengths

Question # 9

A thin film is a transparent medium whose thickness is comparable with the wavelength of

Question # 10

With tremendous information carrying capacity is called

Question # 11

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

Question # 12

The reflected light is

Question # 13

In which situation does diffraction occur?

Question # 14

If a source of light is moving away from stationary observer then frequency of light wave appears to change because of

Question # 15

Which of the following is the most common method to obtain polarized light?

Question # 16

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

Question # 17

The spacing between lines of diffraction grating is

Question # 18

Which characteristics of wave, established the Huygen's wave theory in 1801?

Question # 19

Ordinary light has components of vibrations in

Question # 20

Electromagnetic waves from a source were found to be significantly diffracted when passing through gaps of the order of 10 m. What type of waves are they likely to be?

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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 Geometrical optics cannot give following characteristics for a microscope
A. Image position
B. Image size
C. Resolution of image
D. Any of the above
2 Which one of the following phenomenon cannot be explained by the wave theory of light ?
A. Reflection
B. Refraction
C. Photoelectric effect
D. Diffraction
3 Certain light of wavelength 600 nm is used to view an object under the microscope. If the aperture of its objective is 1.22 cm, then the limiting angle of resolution will be
A. 6 x 10-5rad
B. 7 x 10-5rad
C. 8 x 10-5rad
D. None of these
4 The least distance of distinct vision for a normal eye is
A. 15 cm
B. 25 cm
C.
35 cm
D. 1 m
5 The distance between the centres of two consecutive bright fringes (or dark fringes) is called
A. wavelength
B. fringe width
C. amplitude
D. path difference
6 The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be
A. 1.6 x 104
B. 3 x 103
C. 2 x 106
D. 4 x 108
7 An oil surface floating on water surface exhibits beautiful colour patter, which is due to 
A. Reflection of light
B. Diffraction of light
C. Interference of light
D. None of these
8 A spectrometer is an optical device used to study the spectra from different sources of light which is
A. Absorption spectra
B. Emission spectra 
C. Discrete spectra
D. None of these
9 Source of light used in the fibre optic communication
A. Led
B. Laser
C. Photo diode
D. Both a and b
10 Ordinary light has components of vibration in
A. One direction
B. Different direction
C. All directions
D. None of these

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