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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
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
Question # 2
In an interference pattern of Young's Double Slit (YDS) experiment
Question # 3
In case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves
Question # 4
Huygen principle is used to determine
Question # 5
Laws of reflection and refraction can also be explained by
Question # 6
Wavelength of red colour as compared to that of violet colour is
Question # 7
The appearance of colours in the soap (or oil) film results from
Question # 8
Speed of light in vacuum depends upon
Question # 9
The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
Question # 10
Angle between ray of light and the corresponding wavefront is
Question # 11
Wavelength of light, on the average, is given by
Question # 12
The appearance of colours in the soap (or oil) film results from
Question # 13
The locus of all the points in the same phase of vibration is called
Question # 14
Which one of the followings can act approximately as a source of monochromatic light
Question # 15
Electromagnetic waves transport
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 | Angle between ray of light and the corresponding wavefront is |
A. 00
B. 600
C. 900
D. 1200
|
| 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 | 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
|
| 4 | The wave nature of light was proposed by |
A. Newton
B. Thomas Young
C. Huygen
D. None of these
|
| 5 | 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
|
| 6 | Speed of light in vacuum depends upon |
A. Frequency
B. Wavelength
C. Amplitude
D. None of these
|
| 7 | In case of point source of light, shape of wavefront is |
A. Spherical
B. Cylindrical
C. Plane
D. None of above
|
| 8 | Electromagnetic waves transport |
A. Energy only
B. Momentum only
C. Both A and B
D. None is correct
|
| 9 | 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
|
| 10 | Wavelength of light, on the average, is given by |
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
|
Test Questions