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Re: Wave Question



At 05:59 PM 9/10/99 -0700, you wrote:
You must look at the whole system. Energy is a system state function;
there is no reason to expect that it will be conserved locally. If you
consider the intensity which impinges on all the walls of the container
you will account for all of the energy radiated. After all, there are
also some places where the interference is destructive and the intensity
is nearly zero.


Perhaps we can also say that the intensity should always be calculated
from the resultant amplitude obtained by adding individual amplitudes
giving due consideration to the phase and not by adding individual
intensities.
Intensity should be always via amplitude.

regards,

sarma.