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

A grating with high resolving power can distinguish ______ difference in ______

Question # 2

A shortsighted person can see clearly

Question # 3

A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is

Question # 4

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 5

The cause of mirage observed in desert is

Question # 6

For incident angles equal or greater than the critical angle the glass air boundary will act as a

Question # 7

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

Question # 8

In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:

Question # 9

Two wave of intensities I an 4I superpose then the maximum and minimum intensities are

Question # 10

In case of diffraction grating, unit of grating element is:

Question # 11

In spectrometer the function of collimator is to produce

Question # 12

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 13

The fine rulings on a compact disc as a diffraction grating but each line is wide like

Question # 14

In order to observe interference , the interfering beams must be

Question # 15

Wavelength of red color as compared to that of violet color is

Question # 16

Fringe spacing in YDS experiment will be maximum if we use:

Question # 17

The property of bending of light around the obstacle is known is

Question # 18

Which type of fibre is used to send the signals of long distances?

Question # 19

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

Question # 20

Fringe spacing in YDS experiment will be maximum if we use

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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 Two wave of intensities I an 4I superpose then the maximum and minimum intensities are
A. 5I and 3I
B. 9I and I
C. 9I and 3I
D. 5I and I
2 Which one of the following is nearly monochromatic
A. Light from candle
B. Light from simple lamp
C. Light from sodium lamp
D. Light from sun
3 The brilliance of diamond is
A. Entirely due to refractive index
B. Entirely due to total internal reflection
C. Partly due to total internal reflection
D. None of the above
4 A single step index fibre can carry more than
A. 14 TV channels
B. 14,000 phone calls
C. 16 TV channels
D. a and b
5 A sun rise or sun set the sun looks reddish because
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
6 Which of the following is not an advantages of using optical fibres over copper cables?
A. signal attenuation
B. number of signals carried per wire
C. cost of installation
D. none of the above
7 A telescope is rotatable about the same vertical axis as the turntable, with a scale which is
A. Main scale
B. Vernier scale
C. Half degree scale
D. None of these
8 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?
A. 200 nm
B. 430 nm
C. 500 nm
D. 556 nm
9 Huygen's wave front which sends out secondary wavelets with a speed equal to
A. Speed of propagation of the wave
B. Speed of propagation greater than wave
C. Speed of propagation less than the wave
D. None of these
10 Which characteristics of wave, established the Huygen's wave theory in 1801?
A. polarization
B. interference
C. propagation
D. all of them

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