well i have trouble in understanding the concepts of waves.
Selected topics are
1. when a equation can represent a wave equation
2. interference
3. reflection, refraction
so if u guys get any concept about these topics then pleasepost a reply to this thread.
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4 Answers
62The equation of a "wave" is givne by
∂2u/∂t2 = c2∇2u
well you dont need to read too that much beyond this ...
for JEE, I think you can do even without this!
62what did u not understand in interference or reflection or refraction..?
Wave front is the best method to understnad some of it.. i think NCERT does a good job to explain some of it!
106in the equation u have given what is delta square i.e what exactly is theRHS?