Physics - Review Answer 148

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148.	What is the angle between the direction of propagation of a longitudinal wave and the direction in which the amplitude of the wave is measured?
	A.	0^o	Longitudinal waves have the propagation and measurement of the amplitude in the same direction. Transverse waves have the propagation and measure of the amplitude at 90^o to each other. The Correct Answer is A.
	B.	45^o
	C.	90^o
	D.	135^o