A transverse wave is represented by the equation
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Explanation:
Wave velocity is vv.
Particle velocity is
\dfrac {dy}{dt} = y_{0}\cos \dfrac {2\pi}{\lambda} (vt - x) \dfrac {2\pi}{\lambda} v
dt
dy
=y
0
cos
λ
2π
(vt−x)
λ
2π
v
\left (\dfrac {dy}{dt}\right )_{max} = y_{0}\dfrac {2\pi v}{\lambda}(
dt
dy
)
max
=y
0
λ
2πv
But, maximum particle velocity is 2 times the wave velocity.
\dfrac{2\pi v}{\lambda}y_o = 2v
λ
2πv
y
o
=2v
\therefore \lambda = \pi y_{0}∴λ= πy
0
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