The Nature Of Sound

Question 1

What is
Sound production
Propagation
Perception

Answer 1

How it is created eg vibrations
How it travels from one place to another- waves
How it affects the senses and emotions of a listener

Question 2

The nature of sound
What does a longitudinal wave don’t?
What do individual parcels of air do?

Answer 2

Travel outward from a loudspeaker

Move back and forth parallel to the direction of wave travel.

Question 3

What is the difference of a longitudinal wave to a transverse wave?

Answer 3

Wave motions are parallel

Wave motion are perpendicular

Question 4

Definition of frequency
What is it measured in?
Example- concert pitch A440 frequency of 440Hz
Means our eardrums vibrate 440 times each second

Answer 4

Is the repetition of a vibration

Measured in hertz (Hz) or cycles per second

Question 5

How do you work out the wavelength of 260Hz?

344 is the volume

Answer 5

344/ 260=1.32m

Question 6

How much does the sound speed increase for each degree of temperature rise on the Celsius scale?

Answer 6

0.6 m/s

Question 7

What does amplitude measure?

Answer 7

Measure for the strength of sound- LOUDNESS