Physics of Music  	Physics 121
Griffioen	12 September 1995
Quiz 1


1. Define the following prefixes (e.g. femto = 10-15 ):

	giga						nano

	deci						mega

	kilo						micro

	centi						milli


2. Carefully describe a sound wave.  What is it?  How does it move?  Use your vocabulary 
words.










3. Explain the difference between longitudinal and transverse waves.  Give two examples 
of each.















Extra Credit:

a.  How many decibels equal one bel?

b.  What is the consequence of air being a non-dispersive medium for sound?