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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
To observe interference of light, the condition, which must be met with is that the sources must be
Question # 2
Light waves are
Question # 3
A line which represents the direction of travel of a wave is known as
Question # 4
Speed of light in vacuum depends upon
Question # 5
In case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves
Question # 6
The wave nature of light was proposed by
Question # 7
The appearance of colours in the soap (or oil) film results from
Question # 8
Frequency of red colour as compared to that of violet colour is
Question # 9
When the source of light is at very large distance, the shape of wavefront is
Question # 10
Huygen's principle states that
Question # 11
In an interference pattern of Young's Double Slit (YDS) experiment
Question # 12
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
Question # 13
The terms phase difference and path difference are
Question # 14
Wavelength of light, on the average, is given by
Question # 15
In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.
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 | The appearance of colours in the soap (or oil) film results from |
A. Dispersion
B. Interference
C. Reflection
D. Refraction
|
| 2 | Angle between ray of light and the corresponding wavefront is |
A. 00
B. 600
C. 900
D. 1200
|
| 3 | Speed of light in vacuum depends upon |
A. Frequency
B. Wavelength
C. Amplitude
D. None of these
|
| 4 | Huygen principle is used to determine |
A. Speed of light
B. Location of wavefront
C. About polarized and unpolarized light
D. None of them
|
| 5 | Light waves are |
A. Mechanical waves
B. Electromagnetic waves
C. Any of above
D. None of above
|
| 6 | Electromagnetic waves transport |
A. Energy only
B. Momentum only
C. Both A and B
D. None is correct
|
| 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 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
|
| 9 | 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
|
| 10 | 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
|
Test Questions
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