Exam 1

Question 1

How many frequency components are in a simple wave (pure tone)

Answer 1

One

Question 2

What is it called when sound waves interact with each other, and they yield increased amplitude

Answer 2

Constructive interference

Question 3

Sound waves added together that make a bigger wave

Answer 3

Constructive interference

Question 4

Sound waves added together is less than either of them

Answer 4

Destructive interference

Question 5

If 2 signals of the same frequency are in phase, their pressure waves crest and trough

Answer 5

at the same time

Question 6

Waves with more than one frequency component are called

Answer 6

Complex waves

Question 7

For measuring sound intensity, SPL stands for

Answer 7

Sound Pressure Level

Question 8

The frequency components of complex periodic waves are called

Answer 8

Harmonics

Question 9

The term used to describe the decrease in the amplitude of vibration over time

Answer 9

Damping

Question 10

In a complex periodic wave, each frequency component is a whole-number multiple of the __ ___ of the wave

Answer 10

fundamental frequency