Sound Waves Review

A sound wave passes from a liquid to a gas, what happens to the wave’s speed and frequency?

Why can't we usually see sound waves?

Glass shatters when exposed to a loud enough sound of a certain freq. What is this?

Airplane noise takes 20 seconds to reach you. How far away is the plane?

Why is Sound a longitudinal wave?

A bat hears an echo after 20 seconds (speed of sound is 340m/s) how far away is it's target?

What is true of sound waves?

A submarine hears an echo after 2s. If speed of sound in water is 1530m/s, how far is target?

Frequency is measured in?

A submarine hears an echo after 10s. If speed of sound in water is 1530m/s, how far is target?

If the frequency of a note is 384Hz and it's traveling in air (340 m/s), what is the wavelength

Flutes and clarinets are what type of instruments?

How do you get the next octave?

Sound travels slowest through which of these media?

What is a musical scale?

What will a stationary person hear as a sound moves past?

Humans cannot hear sound above what frequency?

What is the beat frequency if a string of 170 Hz and a string of 158Hz are plucked at same time

Sound does NOT travel through which of these media?

As frequency increases what happens to pitch and wavelength (sound stays in same medium etc)?

Humans cannot hear sound below what frequency?

What happens as a sound wave gets louder?

What happens as the amplitude of a sound wave increases?

As frequency decreases what happens to pitch and wavelength (sound stays in same medium etc)?

What is the beat frequency if a string of 100 Hz and a string of 98Hz are plucked at same time?

Something moving faster than 20,000 Hz...

What is created by two sounds whose frequencies differ by only a few hertz?

Loudness is measured in?

You hear a helicopter 10 seconds after seeing it. How far away is it?

Something moving faster than the speed of sound is...

Sound travels fastest through which of these media?

Something moving slower than 20 Hz...

If the frequency of a note is 100Hz and it's traveling in air (340 m/s), what is the wavelength

Pitch is measured in?

Something moving slower than the speed of sound is...

Constructive and destructive interference are due to what principle?