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 10
A sound wave has a frequency of 500 Hz and travels at 340 m/s. What is its wavelength?
A sound wave travels from air into water. What happens to its speed and wavelength?
A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed?
A wave has a power of 50 W and transfers energy for 10 seconds. How much energy is transferred?
A wave on a string has an amplitude of 0.05 m. If the amplitude is increased to 0.10 m, by what factor does the energy increase?
A wave travels 300 m in 5 seconds. What is its speed?
A wave with a frequency of 20 Hz and a wavelength of 3 m travels through a medium. Calculate its speed.
Describe how energy is transferred in a water wave.
Describe the difference between energy transfer in mechanical and electromagnetic waves.
Describe what happens to the energy of a wave as it passes through a denser medium.
Describe what happens to the energy of a wave when it is absorbed by a material.
Explain why a rope tied at one end and shaken at the other can transfer energy to the fixed end.
Explain why energy transfer by waves is important in communication technologies.
Explain why sound cannot travel through outer space.
Explain why the amplitude of a wave decreases as it travels a long distance.
If the amplitude of a wave is doubled, how does the energy it carries change?
What is the main way energy is transferred in a mechanical wave?
