Homework - waves

Homework - waves

What is the distance from the undisturbed position to the peak or trough of a wave called?

1. Wavelength
2. Frequency
3. Amplitude
4. Velocity

Which type of wave has points along its length vibrate at 90 degrees to the direction of energy transfer?

1. Radial
2. Circular
3. Transverse
4. Longitudinal

What is the distance from one point on the wave to the same point on the next wave called?

1. Wavelength
2. Amplitude
3. Frequency
4. Velocity

In which type of wave do the points along its length vibrate parallel to the direction of energy transfer?

1. Shear
2. Torsional
3. Longitudinal
4. Transverse

Which type of wave includes water, light, and S-waves?

1. Transverse
2. Longitudinal
3. Surface
4. Compression

Label the wave.

Wavelength

Amplitude

Peak

Trough

Match the keywords to the definitions.

The top of the wave.

The bottom of the wave.

The distance between the same point on neighbouring waves.

The distance between the middle of the wave and the top or bottom.

Peak

Trough

Amplitude

Wavelength

Match the description to the wave.

Sort the statements.

Transverse waves

Both

Longitudinal waves

Transfer energy

Involve vibrating particles

Light waves

Sound waves

Vibrate parallel to direction of energy transfer.

Vibrate perpendicular to direction of energy transfer.

Match the keywords to the definitions.

The number of waves per second.

The distance between the same point on neighbouring waves.

The distance between the middle of the wave and the top or bottom.

Frequency

Amplitude

Wavelength

Match the keywords to the definitions.

The number of waves per second.

The distance between the same point on neighbouring waves.

The distance from the middle to the crest/trough of the wave.

The time taken for one wave to pass.

Amplitude

Frequency

Period

Wavelength

What type of medium can sound waves travel through?

1. Plasma
2. Gel
3. Solid, liquid, gas
4. Vacuum

How do we perceive sound reflections off surfaces?

1. Shadows
2. Echoes
3. Ripples
4. Whispers

What does a greater amplitude of sound waves result in?

1. Quieter sound
2. Change in pitch
3. Louder sound
4. Faster speed

What does frequency measure in sound waves?

1. Duration of sound
2. Number of waves per second
3. Volume of sound
4. Energy of sound

How does higher frequency affect the pitch of sound?

1. No change in pitch
2. Lower pitch
3. Higher pitch
4. Change in volume

Which materials can light pass through?

1. Liquid materials
2. Opaque materials
3. Solid materials
4. Transparent and translucent materials

How does light travel?

1. In random directions
2. In zigzags
3. In curves
4. In straight lines

What type of wave does light travel as?

1. Longitudinal wave
2. Circular wave
3. Transverse wave
4. Surface wave

What do ray diagrams use to represent rays of light?

1. Straight lines
2. Dotted lines
3. Curved lines
4. Wavy lines

How is the direction of light represented in ray diagrams?

1. Circles
2. Squares
3. Arrows
4. Triangles

Where is the world's quietest room located?

1. Tokyo, Japan
2. New York, US
3. Redmond, Washington, US
4. London, UK

What is the average background noise reading in the anechoic chamber?

1. -20.35 decibels
2. 0 decibels
3. -10 decibels
4. -30 decibels

What can a person start hearing in the anechoic chamber in a short span of time?

1. Birds chirping
2. Ocean waves
3. Traffic noise
4. Their own heartbeat

According to CNN, what can a person hear after spending a while in the anechoic chamber?

1. Wind blowing
2. Whispering voices
3. Their blood rushing and bones crunching
4. Musical melodies

What is the purpose of the anechoic chamber?

1. To enjoy music in silence
2. To conduct group meditation
3. To test external noise levels
4. To focus solely on the sounds produced by their own body