Sound waves of frequency 100 Hz are transmitted into a cylindrical tube that is closed at one end. The stationary waves formed in the tube produced adjacent nodes that are 1.5m apart. What is the speed of sound waves?
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Figure 16.25 Standing waves are formed on the surface of a bowl of milk sitting on a box fan. The vibrations from the fan causes the surface of the milk of oscillate. The waves are visible due to the reflection of light from a lamp.
Figure shows 8 time snapshots of two identical sine waves and a resultant wave, taken at intervals of 1 by 8 T. At t=0T and t = half T the two sine waves are in phase and the resultant wave has twice the amplitude of the two individual waves. At t = 1 by 4 T and t = 3 by 4 T, the two sine waves are opposite in phase and there is no resultant wave present.
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