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

According to Huygen's principle, the new position of the wavefront after a time can be found by constructing a surface that touches all the

Question # 2

Characteristics of optic fibre is/are

Question # 3

The light source in the transmitter can be

Question # 4

Wavelength of X-rays falling at glace angle 30° on crystal with atomic spacing 2 x 10-9m for the first order diffraction is

Question # 5

Angle between ray of light and the corresponding wave front is

Question # 6

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

Question # 7

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

Question # 8

Speed of light in vacuum is

Question # 9

The light from the sun reaches to earth with wavefronts

Question # 10

Which one of the following is nearly monochromatic

Question # 11

An oil surface floating on water surface exhibits beautiful colour patter, which is due to 

Question # 12

Optical fibres are of

Question # 13

The locus of all the points in the same phase of vibration is called:

Question # 14

For a monochromatic light passing from air to glass, which one of the following statement is true?

Question # 15

An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is

Question # 16

Fraunhofer's lines commonly visible in the sun's spectrum are examples of

Question # 17

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 # 18

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

Question # 19

In spectrometer the function of collimator is to produce

Question # 20

Wavelength of light of frequency 100 Hz 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 spacing between the parallel lines are served as
A. slits
B. source of light
C. opaque lines
D. fringes
2 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct
3 If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:
A. Remains same
B. 1/2 times
C. 2 times
D. Infinite
4 The phenomenon of diffraction can be exhibited by
A. Polarized waves only
B. Un polarized waves only
C. Longitudinal waves only
D. All polarized or un polarized waves and longitudinal or transverse waves
5 The wave propagates in space by the motion of the
A. Particles
B. Wavefronts
C. Wavelength
D. None of these
6 When the length of a microscope tube increases its magnifying power
A. Decreases
B. Increases
C. Does not change
D. May increase or decrease depending on the observer and the place of observation
7 The distance between the two mirrors can be varied by
A. Moving glass plate
B. Movable mirror
C. Compensator plate
D. None of these
8 Newton's rings are:
A. Concetric circles
B. spherical
C. None of these
D. Rectangular
9 Two sources of light are said to be coherent when the waves produced by them have
A. Equal wavelength
B. Equal amplitude
C. Equal wavelength and constant phase difference
D. Amplitude and wavelength are same
10 The concentration in solution can be determined by the property known as
A. Solubility
B. Insolubility
C. Optical activity
D. None of these

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