AP Physics 2: Algebra-Based Flashcards: Properties of Wave Pulses and Waves
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 10 cards to help you master important concepts.
What is the primary function of a wave?
The primary function of a wave is to transfer energy between two locations without transferring matter between those locations.
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What is the primary function of a wave?
The primary function of a wave is to transfer energy between two locations without transferring matter between those locations.
What is a wave pulse?
A wave pulse is a single disturbance that transfers energy without transferring matter between two locations.
If a sound wave travels from air into water, will its speed change? Why?
Yes, its speed will change because wave speed depends on the properties of the medium, and air and water have different properties.
Light from the sun reaches Earth through the vacuum of space. What type of wave must light be?
Light must be an electromagnetic wave because it does not require a medium to propagate.
What are electromagnetic waves?
Electromagnetic waves are waves or wave pulses that do not require a medium in which to propagate.
What are mechanical waves?
Mechanical waves are waves or wave pulses that require a medium (a substance) in which to propagate.
What determines the speed at which a wave propagates?
The speed of a wave depends on the type of wave and the physical properties of the medium it is traveling through.
An earthquake creates seismic waves that travel through the Earth. What type of wave are seismic waves?
Seismic waves are mechanical waves because they require a medium (the Earth's layers) to propagate.
When a wave travels across a pond, does it carry water with it from one side to the other?
No, it does not. Waves transfer energy through the water, but they do not transfer the water (matter) itself across the pond.
What is the key difference between mechanical and electromagnetic waves?
The key difference is that mechanical waves must travel through a medium, whereas electromagnetic waves can travel through a vacuum.