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MCQ's Test For Physics ECAT Pre Engineering Chapter 10 Optical Instruments
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 10 Optical Instruments
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 10 Optical Instruments
00:00
Question # 1
Light waves are
Question # 2
A line which represents the direction of travel of a wave is known as
Question # 3
The property of light which does not change with the nature of the medium is
Question # 4
To observe interference of light, the condition, which must be met with is that the sources must be
Question # 5
Light has
Question # 6
Electromagnetic waves transport
Question # 7
Wavelength of red colour as compared to that of violet colour is
Question # 8
In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.
Question # 9
The appearance of colours in the soap (or oil) film results from
Question # 10
The terms phase difference and path difference are
Question # 11
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
Question # 12
In an interference pattern of Young's Double Slit (YDS) experiment
Question # 13
Laws of reflection and refraction can also be explained by
Question # 14
Speed of light in vacuum depends upon
Question # 15
Light waves are
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A Abubakar basra 29 - Feb - 2024 00 Min 39 Sec 60/60 -
D Deuspeu 25 - Sep - 2024 00 Min 56 Sec 60/60 -
F Farida Tabassum 05 - Mar - 2024 01 Min 02 Sec 60/60 -
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F Farzand Shah Farzand Shah 17 - Apr - 2024 01 Min 24 Sec 55/60 -
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M M numan Saleem 26 - Mar - 2026 02 Min 48 Sec 48/60 -
H hamza sattar 19 - May - 2024 01 Min 02 Sec 45/60
ECAT Physics Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Speed of light in vacuum depends upon |
A. Frequency
B. Wavelength
C. Amplitude
D. None of these
|
| 2 | 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
|
| 3 | The terms phase difference and path difference are |
A. Same
B. Different
C. Equal
D. none of these
|
| 4 | 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
|
| 5 | Wavelength of red colour as compared to that of violet colour is |
A. Smaller
B. Longer
C. Equal
D. None of these
|
| 6 | Light waves are |
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
|
| 7 | Huygen principle is used to determine |
A. Speed of light
B. Location of wavefront
C. About polarized and unpolarized light
D. None of them
|
| 8 | Angle between ray of light and the corresponding wavefront is |
A. 00
B. 600
C. 900
D. 1200
|
| 9 | 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
|
| 10 | The property of light which does not change with the nature of the medium is |
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
|
Test Questions
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