The roar of a tiger in a zoo can be heard by visitors at the entrance, even though the tiger can not be seen because there is a hill in the way. Name and explain this effect.
This effect is called diffraction. This occurs when waves spread over obstacles or through gaps.
MC
Related Physics A Level answers
All answers ▸Explain the difference between the direction of the conventional current and the direction of electron flow.
Why does a body engaged in uniform circular motion do no work?
Explain how the photoelectric effect gives evidence for the photon theory of light.
Assuming the Earth is a perfect sphere of radius R. By how much would your mass (m), as given by a scale, change if you measured it on the north pole and on the equator?