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

To increase the magnification of a telescope

Question # 2

If the vibrations of the light wave are confined to one plane only, then this light is called

Question # 3

The components of a fibre optic communication system is/are

Question # 4

A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?

Question # 5

Which is having minimum wavelength?

Question # 6

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

Question # 7

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 # 8

If the path difference must be an integral multiple of wavelength

Question # 9

The wavelength of refractive wave in a denser medium is

Question # 10

In an astronomical telescope is the objective has the focal length fo is

Question # 11

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 12

Focal length of convex lens is maximum for

Question # 13

All possible process/processes to get plane polarized light

Question # 14

The setting of Newton's rings is

Question # 15

In digital modulation, the LED or laser flashed on and off at a

Question # 16

Propagation of light in an optical fibre requires

Question # 17

Newton's rings are formed as a result of

Question # 18

The minimum number of lenses used in compound microscope is

Question # 19

Colour of thin film will not show result from

Question # 20

The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will 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 If the two reflected waves reinforce each other then the firm as seen from the parallel beam of monochromic light will look
A. Dark
B. Bright
C. Sometimes bright and dark
D. None of these
2 Electromagnetic waves transport:
A. Energy only
B. Momentum
C. Both A and B are correct
D. None is correct
3 Which of the following is an optically active material
A. Solution of cane sugar
B. Liquid nitrogen
C. Mercury
D. Polaroid
4 A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33
5 A diffraction pattern is obtained using a beam of red light What will happen if the red light is replaced by blue light?
A. No change
B. Diffraction bands become narrower and crowded together
C. Bands become broader and farther apart
D. Bands disappear
6 In case of point source of light, shape of wavefront is:
A. Spherical
B. Cylindrical
C. Plane
D. None of these
7 Which one of the following can act approximately as a source of monochromatic light
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. none of these
8 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
9 In Huygen's wave theory the locus of all points in the same state of vibration is called
A. A half-period zone
B. Vibrator
C. Wave front
D. A ray
10 A mode of propagation of light through optical fibre in which the light within the fibre is
A. Reflected
B. Refracted
C. Continuously refracted
D. None of these

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