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Write true or false for a given statement.
Waveforms of two different stringed instruments can be the same.
Which one of the following does not consist of transverse waves?
What is the audible range of frequency for human?
State the relation between the wavelength and the frequency.
How do the following factor affect the speed of sound in air?
Pressure in air.
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
Distinguish between light and sound waves. What are the consequences of the large difference in the speed of sound and that of light? Briefly explain them.
What is echolocation? How do animals make use of this phenomenon?
Number of vibrations produced in one second is ______.
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
