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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 case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves
Question # 2
Angle between ray of light and the corresponding wavefront is
Question # 3
The appearance of colours in the soap (or oil) film results from
Question # 4
Electromagnetic waves transport
Question # 5
Huygen principle is used to determine
Question # 6
Wavelength of light, on the average, is given by
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 waves are
Question # 9
To observe interference of light, the condition, which must be met with is that the sources must be
Question # 10
A line which represents the direction of travel of a wave is known as
Question # 11
The appearance of colours in the soap (or oil) film results from
Question # 12
In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.
Question # 13
The property of light which does not change with the nature of the medium is
Question # 14
Frequency of red colour as compared to that of violet colour is
Question # 15
In an interference pattern of Young's Double Slit (YDS) experiment
Top Scorers Of ECAT Physics Chapter 10 Optical Instruments MCQ`s Test
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A Abdullah Baloch 27 - Jul - 2024 00 Min 12 Sec 60/60 -
H Heer 13 - Dec - 2023 00 Min 33 Sec 60/60 -
V Vertex Gaming 16 - Jul - 2024 00 Min 38 Sec 60/60 -
F fouzia chaudhary 11 - Jul - 2022 02 Min 35 Sec 60/60 -
C Cartoon Creater 30 - May - 2024 04 Min 08 Sec 60/60 -
A Ayan Shuaib 30 - Jan - 2024 00 Min 35 Sec 55/60 -
T Tasser Haider 31 - May - 2024 00 Min 47 Sec 55/60 -
A Abdullah G 24 - Dec - 2023 00 Min 50 Sec 55/60 -
H Hafiz Amar 08 - Feb - 2024 01 Min 21 Sec 55/60 -
A Akhtar Emmanuel 31 - Jan - 2024 01 Min 33 Sec 55/60 -
M Muhammad noor Ahmed 27 - Feb - 2024 01 Min 42 Sec 55/60 -
M Manoush Fatima 31 - May - 2024 02 Min 55 Sec 55/60 -
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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 | 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 | 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 | Light waves are |
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
|
| 4 | 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
|
| 5 | The appearance of colours in the soap (or oil) film results from |
A. Dispersion
B. Interference
C. Reflection
D. Refraction
|
| 6 | In case of point source of light, shape of wavefront is |
A. Spherical
B. Cylindrical
C. Plane
D. None of above
|
| 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 | Angle between ray of light and the corresponding wavefront is |
A. 00
B. 600
C. 900
D. 1200
|
| 9 | Wavelength of light, on the average, is given by |
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
|
| 10 | 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
|
Test Questions
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