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Physics English Medium Fsc Part 1 Chapter 8 Online MCQs Test MCQs With Answers
Question # 1
Sound waves are
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Electromagnetic waves
Transverse waves
Compressional waves
Matter waves
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Question # 2
An oscillating mass-spring system produces
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Sound waves
Electromagnetic waves
Light waves
Periodic waves
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Question # 3
the velocity of sound at 0
o
C is 332 ms-1, the velocity of sound at 10
o
C will be
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337.1 ms-1
338.1 ,ms-1
342.1 ms-1
328.1 ms-1
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Question # 4
The waves used in radar speed trap are
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Longitudinal
Sound wave
Micro waves
Matter waves
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Question # 5
In stationary waves, the velocity of particle at the node is.
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Maximum
Infinite
Zero
Varible
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Question # 6
Half wavelength corresponds to
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0
o
90
o
180
o
360
o
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Question # 7
The distance between two consecutive crest is called.
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Displacement
Amplitude
Wave front
Wavelength
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Question # 8
the louder the sound, the greater will be its.
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Speed
Frequency
Amplitude
Wave length
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Question # 9
In stationary waves the points which always remain at rest are.
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Nodes
Antinodes
Crest
Trough
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Question # 10
The speed of sound in ari at 0
o
C is 332 ms-1, Then the speed at 40
o
C will be
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372 ms-1
356 ms-1
346 ms-1
332 ms-1
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Question # 11
Wavelength of a wave for closed pipe having length 'l' in the fundamental mode is.
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2 l
1/2
4 l
l
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