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 refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

Question # 2

Single mode step index fibre has a very thin core of about diameter

Question # 3

Snell's Law is defined as

Question # 4

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 5

Light of wavelength 800 n m is incident on a pair of slits, forming fringes 4.0 mm apart on a screen. What is the fringe when light of 400 nm is used and the slit separation is halved?

Question # 6

Fringe spacing ΔY is the distance between two adjacent bring fringes on the screen is

Question # 7

The velocity of light in vacuum can be changed by changing

Question # 8

Fire optics has ability to transmit

Question # 9

A line normal to the wave front is called

Question # 10

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

Question # 11

A beam of light enters air from water.Which of the following characteristics of light will not change in water?

Question # 12

The least distance of distinct vision changes with

Question # 13

Which is having minimum wavelength?

Question # 14

In Newton,s rings apparatus, we also use

Question # 15

A prism splits a beam of white light into seven component colors. This is so because

Question # 16

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 17

We can achieve polarization by

Question # 18

With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 19

Which of the following colors will have minimum critical angle when light passes from glass to air

Question # 20

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

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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 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
2 Angle between ray of light and the corresponding wave front is
A. 10°
B. 60°
C. 90°
D. 120°
3 In case of interference fringes:
A. Energy is destroyed at dark
B. Energy is created at bright fringes
C. Energy is transferred from dark to bright ringes
D. None of these
4 For interference to occur, the light coming from the two slits should
A. be monochromatic
B. come from the same source
C. have a constant path difference
D. all of them
5 The information carrying capacity in an optical fibre is called
A. wavelength
B. frequency
C. bandwidth
D. none of them
6 Huygen principle is used to determine:
A. Speed of light
B. Location of wavefront
C. About polarized and unpolarized light
D. None of them
7 Photo phone was invented by
A. Edison
B. Graham Bell
C. Bardeen
D. None of these
8 Ordinary light has components of vibrations in all possible planes. Such light is
A. Unpolarized light
B. Polarized light
C. Both
D. None of these
9 The diffraction grating is used to determine
A. Intensity of light
B. Wavelength of light
C. Refractive index of prism
D. None of these
10 In an interference fringes pattern the fringes are
A. Equally spaced
B. Wider near the centre and narrower away from it
C. Narrower near the centre and wider away from it
D. None of these

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