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rope waves.
Mechanical waves, shock waves, etc.
Physicists and Electrical Engineers
first of all electromagnetic waves are energy waves. and we call electromagnetic waves RADIATION.
I call it the process of 'diffraction'.
You call someone that studies metal a metallurgist.
A physicist.
a person who studies planets is a planetologist.
There is no special name for someone who studies Hebrew.
An Anthropologist.
malacologist
euclidist
Gemologists
psychologist
A numismatist.
A Zoologist
a meteorologist.