|
Define the beats
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0
|
5425
|
August 23, 2016
|
|
Of what material is the tuning fork made and why?
|
|
0
|
780
|
August 23, 2016
|
|
Why does a tuning fork have two prongs?
|
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0
|
1262
|
August 23, 2016
|
|
Is there a Doppler's effect for sound when the observer or the source move at right angles to the line joining them?
|
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0
|
738
|
August 23, 2016
|
|
What is the function of water in the resonance apparatus ? Can we use any other liquid?
|
|
0
|
1865
|
August 23, 2016
|
|
The thunder of lightening is heard some moments after the flash is seen. Explain
|
|
0
|
1048
|
August 23, 2016
|
|
Why is a stationary wave so named?
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|
0
|
608
|
August 23, 2016
|
|
An open organ pipe is closed at one end. How will the frequency of fundamental note of the pipe change?
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0
|
891
|
August 23, 2016
|
|
How does velocity of sound in air change when temperature rises by 1°C?
|
|
0
|
1277
|
August 23, 2016
|
|
If tension of a wire is increased to four times, how is the wave speed changed?
|
|
0
|
2227
|
August 23, 2016
|
|
What is the order of wavelength of visible light and audible sound?
|
|
0
|
1157
|
August 23, 2016
|
|
If radius of a stretched wire is reduced to half, how is the wave speed affected?
|
|
0
|
1857
|
August 23, 2016
|
|
What is the range of frequency of audible sound?
|
|
0
|
686
|
August 23, 2016
|
|
What is the evidence in support of the fact that
|
|
1
|
532
|
August 23, 2016
|
|
What is the distance between a node and an adjoining antinode in a stationary wave
|
|
0
|
781
|
August 23, 2016
|
|
If oil of density higher than that of water is used in a resonance tube, how will the frequency change?
|
|
0
|
2349
|
August 23, 2016
|
|
Why is sound heard more intense in carbon dioxide in comparison to air?
|
|
0
|
888
|
August 23, 2016
|
|
Does the change in frequency due to Doppler, Effect depend on:
|
|
1
|
1752
|
August 23, 2016
|
|
The ratio of amplitude of two waves is 2 : 3. What is the ratio of intensities of these waves?
|
|
0
|
1935
|
August 23, 2016
|
|
Which characteristic of the medium determine the velocity of sound waves?
|
|
0
|
1690
|
August 23, 2016
|
|
In which medium do the sound waves travel faster-solids, liquids or gases ? Why?
|
|
0
|
608
|
August 23, 2016
|
|
What is the essential condition for the formation of beats?
|
|
0
|
3151
|
August 23, 2016
|
|
What is the nature of thermal changes in air, when a sound wave propagates through it?
|
|
0
|
1816
|
August 23, 2016
|
|
Sound travels faster on a rainy day than on a dry day. Why?
|
|
0
|
4883
|
August 23, 2016
|
|
What type of waves are the sound and the light waves?
|
|
0
|
497
|
August 23, 2016
|
|
What causes the rolling sound of thunder?
|
|
0
|
840
|
August 23, 2016
|
|
Two astronauts on the surface of moon cannot talk to each other
|
|
0
|
1238
|
August 23, 2016
|
|
Why are the window panes of houses sometimes cracked when a bomb explodes event at a large distance?
|
|
0
|
1884
|
August 23, 2016
|
|
Sound is produced at a time in two exactly identical strings, one of rubber and other of steel. In which string will the sound reach the other end earlier and why?
|
|
0
|
816
|
August 23, 2016
|
|
What type of graph you expect between speed of sound through a gas and pressure of the gas?
|
|
0
|
738
|
August 23, 2016
|