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 ▸If a ball of mass 5kg is dropped from rest, how far will it travel in the 3 seconds after it reaches 150m from it's original position? Write down the change in it's total energy after the 3 seconds. (ignoring air resistance)
Describe the workings behind the Photoelectric effect
If a stationary observer sees a ship moving relativistically (near the speed of light), will it appear contracted or enlarged? And by how much.
What velocity should your boat have if you want to cross a 72m wide river in 6s by the shortest distance, with a 5 m/s downstream current?