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Physics English Medium Fsc Part 1 Chapter 8 Online MCQs Test MCQs With Answers
Question # 1
The wavelength of fundamental note in one end closed pipe in term of length 'l' of pipe is.
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4 l
2l
l
1/4 l
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Question # 2
In stationary waves, the particle velocity at nodes is
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Minimum
Maximum
Zero
Constant
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Question # 3
A bat finding its correct location by sending
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Matter waves
Ultrasonic waves
Infrasonic waves
electromagnetic waves
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Question # 4
Half wavelength corresponds to
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0
o
90
o
180
o
360
o
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Question # 5
The profile of periodic waves generated by a source executing S.H.M is represented by a.
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Circle
Sine curve
Tangent curve
Cosine curve
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Question # 6
Star moving towards the earth show
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Red shift
Blue shift
Green shift
Yellow shift
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Question # 7
The speed of sound in air does not depend upon
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Temperature
Pressure
Density
Medium
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Question # 8
In vibrating string, the points where the amplitude is maximum are called.
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Nodes
Antinodes
Troughs
Crests
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Question # 9
When two waves having same frequency traveling in same direction combine, phenomenon is called
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Wave motion
Combination of waves
Interference
Diffraction
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Question # 10
The mechanism of transports energy of all the waves is
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Different
Same
Complicated
Easy
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Question # 11
On loading the prong of a tuning fork with wax, the frequency of sound.
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Increases
Decreases
Remains same
First increases then decrease
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