Quiz vibartion and wave part 2

There are two types of mechanical waves, what are they?

• Longitudinal Waves & Compression Waves
• Standing Waves & Pulse Waves
• Pulse Waves & Transverse Waves
• Transverse Waves & Longitudinal Waves

What is the speed of a wave that has a wavelength of 8.9 m and frequency of 3.4 Hz?

• 2.62 m/s
• 30.26 m/s
• 0.38 m/s
• 0.29 m/s

Frequency is measured in what SI unit?

• Hertz
• m/s
• Waves
• Seconds

The amount of time it takes for one complete wavelength to pass a point in a medium is known as what?

• Frequency
• Wave Speed
• Wavelength
• Period

A string vibrates and produce 100 vibrations in 10 s. What is the frequency of the string?

• 0.1 Hz

• 1 Hz

• 10 Hz

• 1000 Hz

A bee flies and the wings has frequency 20 Hz. What is the period of the wings?

• 0.1 s

• 1 s

• 0.5 s

• 0.05 s

The pendulum is released from A. One complete vibration is ...

• from A to D

• from A to G

• from A back again to A

• from A to F

What is the amplitude of the wave?

• 3 cm

• 8 cm

• 16 cm

• 24 cm

What is the wavelength of the wave?

• 3 cm

• 8 cm

• 16 cm

• 24 cm

If a wave is traveling at 260 m/s and has a wavelength of 0.8 m/s, what is its frequency?

• 208 Hz
• 325 Hz
• 430 Hz
• 160 Hz