Quiz 2 (Unit 1 Year 9)

The amplitude of a sound's wave determines the sound's

• pitch

• quality

• loudness

• resonance

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

Tags

NGSS.HS-PS4-1

Which wave in the diagram has the greatest frequency?

• 1
• 2
• 3
• 4

Tags

CCSS.8.EE.B.5

The frequency of sound waves determine

• quality

• type of interference

• pitch

• loudness

Tags

NGSS.HS-PS4-1

What is the Equation for Wave Speed?

• Wave Speed = Wave Length x Frequency

• Wave Speed = Wave Length / Frequency

• Wave Speed = Frequency / Wave Length

Tags

NGSS.HS-PS4-1

A guitar string vibrates with a frequency of 320 hz. If the wavelength of the vibration is 0.23 meters what is the speed of the wave?

• 320.23 m/s

• 1391.3 hz

• 73.6 m/hz

• 73.6 m/s

Tags

NGSS.HS-PS4-1

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

• 34 m/s
• 3400 Hz
• 3400 m/s
• 34 Hz

Tags

NGSS.HS-PS4-1

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

• 25 m

• 125 m

• 5 m

• 25 m/s

Tags

NGSS.HS-PS4-1

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

• 500 m/s
• 50 m/s
• 5 m/s
• 0.5 m/s

Tags

NGSS.HS-PS4-1

A child playing with a slinky shakes it backwards and forwards 5 times every second. If the waves in the slinky are 0.3m long, calculate the speed of the waves.

• 1.5m/s

• 0.3 m/s

• 15 m/s

• 5.3 m/s