Waves

Question 1

Equilibrium

Answer 1

The resting position of a medium

Question 2

Wave speed

Answer 2

Symbol: v
Unit:m/s
The speed of a wave… duh

Question 4

Wavelength

Answer 4

Symbol: A
Unit:m
The length of an entire wave, from trough to trough.

Question 5

Period

Answer 5

Symbol: T
Unit:s
The time it takes a wave to pass a point.

Question 6

Frequency

Answer 6

Symbol: f
Unit:Hz
The number of waves that pass a point per second.

Question 7

Transverse wave

Answer 7

A wave in which the material moves perpendicular to the direction the wave travels.

Question 8

Pitch

Answer 8

Is affected by frequency

Question 11

Longitudinal wave

Answer 11

A wave in which the material moves parallel to the direction the wave travels.

Question 12

Sound

Answer 12

A longitudinal wave made up of compressions and rarefactions, which is transmitted through an elastic medium.

Question 13

Compression

Answer 13

A region with higher than average medium density.

Question 14

Rarefaction

Answer 14

A region with lower than average medium density.

Question 16

Range of human hearing

Answer 16

20Hz to 20,000 Hz

Question 17

Speed of sound in air

Answer 17

340 m/s @ room temperature

Question 18

Loudness

Answer 18

Is affected by the wave amplitude.

Question 20

Wave

Answer 20

The transfer of energy through a medium.

Question 23

Wave medium

Answer 23

The material a wave travels through

Question 27

Amplitude

Answer 27

Symbol: a
Unit:m
The maximum displacement from equilibrium.