IGCSE - Sound

The units of frequency are...

• metres

• seconds

• Hertz

• degrees

Tags

NGSS.HS-PS4-1

Sound is an example of a transverse wave

• True

• False

Which of the following statements describes the period of a wave?

• Number of waves per second

• Distance from crest to crest

• Distance from resting position to top of the wave

• Time taken to produce one wave

A microwave has a frequency of 300MHz. What is the wavelength of these waves?

• 1000 m

• 100 m

• 10 m

• 1 m

Tags

NGSS.HS-PS4-1

The period of a wave is 0.1 s. What is the frequency of this wave?

• 0.1 Hz

• 1 Hz

• 10 Hz

• 100 Hz

All waves can be reflected and refracted.

• True

• False

Tags

NGSS.MS-PS4-2

How is sound produced?

• By the vibration of particles
• By the transfer of particles 

Tags

NGSS.MS-PS4-1

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction

Which device measures sound waves?

• Oscilloscope
• Stethoscope 
• Radio
• I don't know

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The reflection of sound waves off of a hard surface can create ______.

• A wave
• An echo 

Tags

NGSS.MS-PS4-2