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 motorist traveling at 10m/s, was able to bring his car to rest in a distance of 10m. If he had been traveling at 30m/s, in what distance could he bring his cart to rest using the same breaking force?
How, given the threshold frequency and the kinectic enery of a photon, do you determine the frequency of the phton?
3 resistors, R1, R2 and R3 are attached in parallel across a 6V cell with resistances 3, 4 and 5 Ohms respectively. Calculate the current across each resistor.
If a stationary observer sees a ship moving relativistically (near the speed of light), will it appear contracted or enlarged? And by how much.