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 ▸A coil is connected to an analogue centre zero ammeter. A magnet is dropped (North pole first) so that it falls vertically and completely through the coil. What would be observe on the ammeter?
Why are values of gravitational potential negative?
What is meant by the binding energy of a nucleus?
What is damping in Simple Harmonic Motion?