Waves & SHM Test Lvl

The amount of time for a complete cycle is called

• period

• frequency

• harmonic

• amplitude

What is the Amplitude for the Graph?

• 10 cm

• 5 cm

• 15 cm

• 25 cm

What is the period for the Wave Graph?

• 25 seconds

• 20 seconds

• 15 seconds

• 25

What is the Crest for the Wave Graph?

• 10 sec

• 15 sec

• 10 cm

• 15 cm

What is the frequency for the Wave Graph?  $f\ =\ \frac{1}{T\left(period\right)}$  

• 20 Hz

• 25 Hz

• 0.05 Hz

• 0.04 Hz

What is the correct formula for Wave Speed?

• $\frac{f}{\lambda}=V$

• $f=v\lambda$

• $v\ =\ f\lambda$

• $\lambda=\ fv$

Resonance occurs when

• The frequency of an periodic force (Added Force) is smaller than the natural frequency

• The frequency of an periodic force (Added Force) is equal to the natural frequency

• The frequency of an periodic force (Added Force) is larger than the natural frequency

When two waves meet to form a larger wave it is called

• frequency amplification

• destructive interference

• constructive interference

• amplitude magnification

If a wave has a speed of 300 m/s and a frequency of 150 Hz the wavelength is

• 20 m

• 45000 m

• 2 m

• 0.5 m

If an ocean wave is 3m long and moving at a speed of 2.5 m/s what is it's frequency?

• 0.83 Hz

• 7.5 Hz

• 1.2 Hz