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MCQ's Test For ECAT Physics Chapter 10 Optical Instruments
Try The MCQ's Test For ECAT Physics Chapter 10 Optical Instruments
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 10 Optical Instruments
00:00
Question # 1
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
Question # 2
Electromagnetic waves transport
Question # 3
The locus of all the points in the same phase of vibration is called
Question # 4
Huygen principle is used to determine
Question # 5
The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
Question # 6
The appearance of colours in the soap (or oil) film results from
Question # 7
A line which represents the direction of travel of a wave is known as
Question # 8
Which one of the followings can act approximately as a source of monochromatic light
Question # 9
In case of point source of light, shape of wavefront is
Question # 10
In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.
Question # 11
The terms phase difference and path difference are
Question # 12
Huygen's principle states that
Question # 13
Speed of light in vacuum depends upon
Question # 14
In an interference pattern of Young's Double Slit (YDS) experiment
Question # 15
The wave nature of light was proposed by
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A Ayema Khalid 12 - Feb - 2023 10 Min 50 Sec 55/60
ECAT Physics Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes |
A. Bright
B. Dark
C. Any of A or B
D. None of these
|
| 2 | Electromagnetic waves transport |
A. Energy only
B. Momentum only
C. Both A and B
D. None is correct
|
| 3 | The wave nature of light was proposed by |
A. Newton
B. Thomas Young
C. Huygen
D. None of these
|
| 4 | The locus of all the points in the same phase of vibration is called |
A. Wave pocket
B. Wavefront
C. Wave number
D. None of these
|
| 5 | Light waves are |
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
|
| 6 | In case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves |
A. Greater than
B. Equal to
C. Smaller than
D. None of these
|
| 7 | A line which represents the direction of travel of a wave is known as |
A. Spherical wavefront
B. Locus
C. Ray
D. Either B or C
|
| 8 | Huygen's principle states that |
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
|
| 9 | The appearance of colours in the soap (or oil) film results from |
A. Dispersion
B. Interference
C. Reflection
D. Refraction
|
| 10 | Which one of the followings can act approximately as a source of monochromatic light |
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. None of these
|
Test Questions
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