Energy Transfer in Waves
Physics ⇒ Waves and Sound
Energy Transfer in Waves starts at 8 and continues till grade 12.
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See sample questions for grade 9
A pebble is dropped into a pond, creating ripples. What is being transferred across the water?
A sound wave travels from air into water. Does the energy transfer speed up, slow down, or stay the same?
A string is plucked to create a wave. What happens to the energy at the end of the string if it is fixed?
A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed?
A wave has a wavelength of 4 m and a frequency of 5 Hz. Calculate its speed.
A wave travels 300 meters in 10 seconds. What is its speed?
Describe how energy is transferred in a sound wave through air.
Describe the difference between energy transfer in mechanical waves and electromagnetic waves.
Describe what happens to the energy of a wave as it is absorbed by a material.
Describe what happens to the energy of a wave when it is reflected.
Explain how energy is transferred in a stadium wave (the 'Mexican wave') at a sports event.
Explain why a louder sound has more energy than a softer sound.
Explain why electromagnetic waves can travel through space but sound waves cannot.
Explain why sound cannot travel through space.
If the amplitude of a wave is doubled, by what factor does the energy carried by the wave change?
