What causes the sand on the vibrating plate to form intricate patterns?

• The material of the plate

• The specific frequencies of vibration

• The shape of the plate

• The color of the sand

In the context of waves, what is a standing wave?

• A wave that moves in one direction

• A wave that appears stationary

• A wave that changes frequency

• A wave that only travels through air

What are nodes in a standing wave?

• Points where the wave is moving the most

• Points where the wave is not moving at all

• Points where the wave changes direction

• Points where the wave is the loudest

How are resonant modes on a plate similar to standing waves on a slinky?

• Both can only occur in water

• Both are visible to the naked eye

• Both require specific frequencies to form

• Both are caused by temperature changes

What potential application of three-dimensional wave interference is mentioned?

• Creating sound waves

• Generating electricity

• Levitation of objects

• Producing light