Wave math

30 waves pass a point every minute. What is the period of the wave?

• 0.5 seconds/wave

• 30 seconds/wave

• 30 Hz

• 2 seconds/wave

Middle C on a piano has a frequency of about 264 hertz. If the wavelength in air of this note is 1.31 meters, what is the speed of sound in air?

• 346 m/s

• 264 m/s

• 202 m/s

• 1.31 m/s

Tags

NGSS.HS-PS4-1

which type of wave is fastest?

• sound in air

• light

• water

• sound in water

When two waves add together to make a bigger wave, it is called

• destructive interference

• a node

• constructive interference

• an antinode

Using the fact that light travels at 3.0x10⁸ m/s find the frequency of yellow light. (wavelength of yellow light is 5.85 x 10^-7 m)

• 5.12 x 10¹⁴ Hz

• 176 Hz

• 0.14 Hz

• 3 x 10⁸ Hz

My swing has a period of 5 seconds. What is the frequency of the swing?

• 5 waves/second

• 0.2 waves/second

• 340 m/second

• 30 m

What is the amplitude of the wave?

• 15 cm

• 10 seconds

• 1.5 m/s

• 20 seconds

Tags

NGSS.HS-PS4-1

If the speed of this wave is 40 m/s, what is the wavelength of the wave?

• 2 m

• 40 m

• 800 m

• 4 m

Tags

NGSS.HS-PS4-1

What is the frequency of the wave?

• 20 seconds

• 1/20 second

• 1/10 second

• 25 seconds

Tags

NGSS.HS-PS4-1

Sound is a

• transverse wave

• standing wave

• longitudinal or compressional wave

• radio wave