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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
Huygen principle is used to determine
Question # 2
Electromagnetic waves transport
Question # 3
In case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves
Question # 4
Angle between ray of light and the corresponding wavefront is
Question # 5
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
Question # 6
In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.
Question # 7
The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
Question # 8
Light has
Question # 9
Two sources are said to be coherent if they have
Question # 10
Monochromatic light means wave of
Question # 11
When the source of light is at very large distance, the shape of wavefront is
Question # 12
Wavelength of light, on the average, is given by
Question # 13
Light waves are
Question # 14
The property of light which does not change with the nature of the medium is
Question # 15
Speed of light in vacuum depends upon
Top Scorers Of Physics ECAT Pre Engineering Chapter 10 Optical Instruments MCQ`s Test
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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 -
N Naheed Akhter 25 - May - 2024 01 Min 17 Sec 60/60 -
I Israr Ahmed 08 - Mar - 2024 01 Min 40 Sec 60/60 -
H Haq Nawaz 16 - May - 2024 01 Min 47 Sec 60/60 -
M Mustaqeem 04 - Mar - 2024 05 Min 07 Sec 60/60 -
F Farzand Shah Farzand Shah 17 - Apr - 2024 01 Min 24 Sec 55/60 -
T Tamshi Sohail 20 - Apr - 2024 01 Min 30 Sec 55/60 -
A Adan Zahra 14 - Mar - 2024 01 Min 57 Sec 55/60 -
A Anibullah Anib 04 - Mar - 2024 02 Min 14 Sec 55/60 -
A Abdullah Kaleem 25 - Mar - 2024 04 Min 02 Sec 55/60 -
A Alisha Gohar 20 - Jul - 2024 02 Min 11 Sec 50/60 -
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 | Two sources are said to be coherent if they have |
A. Same amplitude
B. Same wavelength
C. Definite phase relation with each other
D. None of them
|
| 2 | 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
|
| 3 | Speed of light in vacuum depends upon |
A. Frequency
B. Wavelength
C. Amplitude
D. None of these
|
| 4 | The appearance of colours in the soap (or oil) film results from |
A. Dispersion
B. Interference
C. Reflection
D. Refraction
|
| 5 | Light waves are |
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
|
| 6 | 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
|
| 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 | 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
|
| 9 | The wave nature of light was proposed by |
A. Newton
B. Thomas Young
C. Huygen
D. None of these
|
| 10 | The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself |
A. Equal to
B. Greater than
C. Smaller than
D. None of these
|
Test Questions
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