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![[Post New]](/templates/default/images/icon_minipost_new.gif) 21 Mar 2008 23:45:48 IST
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how to tell if a equation represents a wave or not..? like Y = 6 / X^2 + 3 or Y = K^2 * X ^2 + W ^ 2 * t ^2 W = omega
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21 Mar 2008 23:54:01 IST
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if the equation is reducibl to form of
y=Asinwtcos kx
i believe both ur examples r not waves
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21 Mar 2008 23:55:21 IST
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i thought it should be of the form f(ax - bt)?
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21 Mar 2008 23:55:30 IST
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A harmonic wave usually is a linear function Sin or Cosine of time and space i think.
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21 Mar 2008 23:56:16 IST
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tell me d ans .. r the two equations representing waves ??
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22 Mar 2008 00:02:26 IST
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neither of them are waves , thats what i feel
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22 Mar 2008 00:03:36 IST
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In d buk.. ans is 1st is a wave.. 2nd i m not getting.. d ans is not given
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22 Mar 2008 13:08:42 IST
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i do not agree with prev posts..
a wave is tht which is finite for all values of x and t...thts all..nothing more..
in ur question 1st is not a wave.. 2nd is a wave
akhil is true only 4 waves which r simpl harmonic in nature
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22 Mar 2008 13:13:45 IST
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simple
just check whether the equation satisfies the classical wave equation or not....
thats it !!!
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all the best ... |
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22 Mar 2008 13:14:22 IST
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wat exactly is ur 'classical' wave eqn
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22 Mar 2008 13:32:55 IST
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well... 1 st is a wave check it again.. its for sure
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22 Mar 2008 14:01:01 IST
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no mate...my defn of wave is accurate
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22 Mar 2008 14:20:42 IST
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see the classical wave equation is
d2y/dt2 = v2 . d2y/dx2
hope u got it
if not, then nudge me
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all the best ... |
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22 Mar 2008 14:22:17 IST
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edited
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22 Mar 2008 14:24:45 IST
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the equn should b of the form y=f(ax-bt) and should be defined everywhere...
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