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3 cards from this section. Quick, good the night before a test.
What is a wave?
Think about how sound waves travel without physically carrying air along.
Define amplitude in wave terms.
Look for the highest points from the center line to understand amplitude better.
What is the definition of a wave?
Think about how sound travels through air.
True or False: Electromagnetic waves can travel through a vacuum.
Consider how sunlight reaches Earth.
A shallow pond experiences wave formations after a stone is dropped into it. If the wave amplitude is 0.5 m and the wavelength is 2 m, calculate the wave speed.
Consider the relationship between frequency and wavelength.
Two tuning forks are vibrating at frequencies of 440 Hz and 442 Hz. Calculate the beat frequency produced when both are sounded together.
Focus on the difference in frequencies!
6 more questions in this section. Enroll free to practise them all.
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