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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
Electromagnetic waves transport
Question # 2
The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
Question # 3
Light waves are
Question # 4
The appearance of colours in the soap (or oil) film results from
Question # 5
Laws of reflection and refraction can also be explained by
Question # 6
The terms phase difference and path difference are
Question # 7
The property of light which does not change with the nature of the medium is
Question # 8
Light waves are
Question # 9
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
Question # 10
The appearance of colours in the soap (or oil) film results from
Question # 11
Wavelength of red colour as compared to that of violet colour is
Question # 12
In an interference pattern of Young's Double Slit (YDS) experiment
Question # 13
Which one of the followings can act approximately as a source of monochromatic light
Question # 14
Light has
Question # 15
Speed of light in vacuum depends upon
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M Mohammad Khalid 27 - May - 2024 04 Min 10 Sec 55/60 -
A Ayema Khalid 12 - Feb - 2023 10 Min 50 Sec 55/60
ECAT Physics Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The appearance of colours in the soap (or oil) film results from |
A. Dispersion
B. Interference
C. Reflection
D. Refraction
|
| 2 | Frequency of red colour as compared to that of violet colour is |
A. Equal
B. Smaller
C. Greater
D. None of these
|
| 3 | Huygen's principle states that |
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
|
| 4 | Electromagnetic waves transport |
A. Energy only
B. Momentum only
C. Both A and B
D. None is correct
|
| 5 | 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
|
| 6 | In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves. |
A. Greater than
B. Smaller than
C. Equal to
D. None of these
|
| 7 | Wavelength of light, on the average, is given by |
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
|
| 8 | Laws of reflection and refraction can also be explained by |
A. Particle nature of light
B. Quantum nature of light
C. Wave nature of light
D. Complex nature of light
|
| 9 | 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
|
| 10 | The wave nature of light was proposed by |
A. Newton
B. Thomas Young
C. Huygen
D. None of these
|
Test Questions