acoustics

Which medium will sound travel through the fastest?

• Air

• Metal

• Water

• Space

The wavelength is

• the time is takes to complete one cycle/ oscillation

• the number of waves per second

• the distance between two crests

• the maximum height of the wave from its resting position

The frequency, which is audible to the

human ear is

• 50 kHz

• 20 kHz

• 1000 kHz

• 10000 kHz

As the frequency increases, the wavelength

• increases

• decreases

• stays the same

What can be the effects of noise on your health? Please tick all that apply

• Hearing Damage

• Psychological Issues

• No followers on INSTAGRAM

• Disturb sleep patterns

Which of the following options can help improve acoustic insulation in your home?

• Using sound-absorbing wall panels

• Adding plants to a room

• Adding more furniture to a room

• Installing double glazed windows