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

All possible process/processes to get plane polarized light

Question # 2

Which of the following atoms cannot be detected by X-ray crystallography?

Question # 3

What is the main cause of the shinning of diamond?

Question # 4

The angle with the horizontal at which an underwater swimmer will see the setting sun is

Question # 5

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 6

The minimum number of lenses used in compound microscope is

Question # 7

Phenomenon of interference and diffraction support the:

Question # 8

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

Question # 9

Consider telecommunication through optical fibers.Which of the following statements is not true?

Question # 10

In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?

Question # 11

When two lights waves travelling in the same direction are in phase at any point, they producing

Question # 12

In cause of YDS experiment, the distance between adjacent bright fringes is given by

Question # 13

For constructive interference path difference should be

Question # 14

In single slit diffraction the condition for second minimum is

Question # 15

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 16

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

Question # 17

For glass-air boundary, the value of the critical angle is

Question # 18

The points on a Huygen's wave front which sends out secondary wavelets are also

Question # 19

The relation d sinθ = nλ, where 'n' is the

Question # 20

Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?

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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 light form Sun reaches earth in the form of
A. plane wavefront
B. circular wavefront
C. spherical wavefront
D. elliptical wavefront
2 The light source used in multimode step index fibre is
A. A monochromatic source
B. Red light
C. White light
D. None of these
3 Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?
A. 1/2
B. 2/3
C. 3/2
D. 2/1
4 The concentration in solution can be determined by the property known as
A. Solubility
B. Insolubility
C. Optical activity
D. None of these
5 Whenever high magnification is desired
A. A telescope is used
B. A compound microscope is used
C. A microscope is used
D. None of these
6 The ultra-purity of optical fibre is
A. 90 % 
B. 99 %
C. 99.9 %
D. 99.99 %
7 Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under
A. Sun light
B. Sodium light
C. Infrared
D. UV
8 The waves produced in a stretched string are called
A. Stationary waves
B. Mechanical waves
C. Transverse mechanical waves
D. None of these
9 For the monochromatic beam of X-rays, the crystal planes in a lattice act like a
A. perfect absorbers
B. boundary
C. mirror
D. none of them
10 A monochromatic source of light gives light of
A. one colour
B. two colours
C. four colours
D. seven colours

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