How much do you have to increase the amplitude of a wave to cause its energy to quadruple?

1 Answer
Mark C.
Feb 7, 2018

Just two times.

Explanation:

It is generally true that #E prop A^2# where E is the energy carried by the wave and A is the amplitude.

This is taken into account as many of the common scales for measuring wave energy (Richter, Decibel, Beaufort etc) include some kind of logarithmic factor.

Related questions
See all questions in Wave Properties
Impact of this question
2525 views around the world
You can reuse this answer
Creative Commons License