Sound review 1

Resonance occurs

• when an object is forced to vibrate but not at its natural frequency

• when an object is forced to vibrate at its natural frequency

• when only destructive interference occurs

Tags

NGSS.HS-PS4-1

As air temperature increases, the speed of sound

• does not change

• increases

• decreases

Tags

NGSS.MS-PS3-4

When two frequencies that are almost the same are sounded together you will hear

• beat frequency

• an awesome sound

• nothing, they cancel each other out

Tags

NGSS.HS-PS4-1

The range of human hearing frequency is

• 20 - 200Hz

• 20 - 2000Hz

• 200-20000Hz

• 20 - 20000Hz

Tags

NGSS.HS-PS4-1

The threshold of human hearing is what intensity?

• 1E-12

• 1E-11

• 1E12

• 1E-10

Tags

NGSS.MS-PS4-1

The threshold of hearing in a human is what decibel rating?

• 0

• 10

• 100

• 300

When resonance occurs, what happens to the wave?

• it speeds up

• the amplitude gets bigger

• the wavelength increases

• the energy decreases

Sound travels fastest in

• air

• water

• steel

• a vacuum

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

Sound cannot travel through

• air

• water

• steel

• a vacuum

Tags

NGSS.MS-PS4-2

Intensity of sound is related to

• wavelength

• amplitude

• frequency

• period

Tags

NGSS.HS-PS4-1