HW - Mechanical Wave and Sound

Amplitude reflects the amount of ____________________ in a wave.

• energy
• compression
• rarefaction
• speed

Tags

NGSS.MS-PS4-1

The units for frequency are measured in _____________.

• hertz
• seconds
• m/s
• m

Tags

NGSS.HS-PS4-1

The average speed of sound in room temperature is approximately

• 343 m/s

• 434 m/s

• 331 m/s

• 325 m/s

Tags

NGSS.HS-PS4-1

People can normally hear from about ____ up to about ____

• 20 Hz

  10,000 Hz

• 20 Hz

  20,000 Hz

• 100 Hz

  16,000 Hz

• 0 Hz

  20,000 Hz

Tags

NGSS.HS-PS4-1

What type of interference always causes the resultant wave to be larger?

• Constructive Interference

• Destructive Interference

• Different Amplitude Interference

• Multiple Wave Interference

The number of waves passing a point per second is known as the

• frequency

• amplitude

• wavelength

• period

Tags

NGSS.HS-PS4-1

This occurs when a wave bounces off of a boundary or object.

• diffraction

• reflection

• refraction

• absorption

Tags

NGSS.MS-PS4-2

This happens when a wave bends around an object or through a narrow opening.

• reflection

• absorption

• diffraction

• refraction

What does this diagram represent?

• Diffraction
• Reflection
• Interference
• Refraction

What can you tell about this object's motion from this illustration?

• Slowing down

• Standing still

• Moving to the left

• Moving to the right

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2