Wave Equation quick notes, clip and questions

Wave Equation Practice

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Multiple Choice

A wave has a wavelength of 6m and a frequency of 0.5Hz, how fast are they moving?

• 6 km/hour

• 3 m/sec

• 12 m/sec

Multiple Choice

The speed of a wave is 10 m/s and the frequency is 5 Hz what is the wavelength?

• 5 m

• 15 m

• 2 m

Multiple Choice

A wave has a frequency of 50 Hz and a wavelength of 10m. What is the speed?

• 500m/s

• 5 m/s

• 10 Hz

Multiple Choice

A wave has a frequency of 5Hz and a speed of 25 m/s. What is the wavelength of the wave?

• 30m

• 5m

• 25 m/s

Multiple Choice

A guitar string vibrates with a frequency of 100Hz. If the wavelength of the vibration is 0.2 m. What is the speed of the waves?

• 100.2 Hz

• 200m/s

• 20m/s

Multiple Choice

v= 20m/s

f= 5Hz

Wavelength =

• 15m

• 25m

• 4 m

Multiple Choice

What is the speed of a 20 Hz frequency with a 4m wavelength?

• 80 m/s

• 24 m/s

Multiple Choice

What is the speed of a wave which has a frequency of 30 Hz and a wavelength of 30 meters? solve for v

• 900 m/s

• 60 m/s

• 60 miles

• 1 m/s

Multiple Choice

Longitudinal waves moving a speed(velocity) of 44 m/s has a frequency of 4 Hz. How long are these waves. Solve for wavelength- $$\lambda$$

• 11 meters

• 11 inches

• 176 m

• 48 m

Multiple Choice

How fast does a 50 Hz wave travel if it has a wavelength of 5 meters? solve for v(speed)

• 250 m/s

• 55 meters/ second

• 45 centimeters

• .1 m/s

Multiple Choice

speed(v) =16 m/s

frequency=4 Hz

wavelength ( $$\lambda$$ )= ?

• 4 m

• 20 m

• 12 m

• 64 m

Multiple Choice

Speed(v) =160 m/s

wavelength( $$\lambda$$ ) =80 m

frequency= ?

• 2 Hertz

• 240 Avis

• 80 Hz

• 12,800 Hz