Question

6.
A thick uniform rope of length Lis hanging from a
rigid support. A transverse wave of wavelength 2, is
set up in the middle of the rope. The wavelength of
the wave as it reaches the top most point is
​

Answer 1

Answer:

Speed of pulse at distance x from bottom v=

gx

while travelling from mid point to the top, frequency remains unchanged

λ

1

v

1

=

λ

2

v

2

⇒

λ

0

g(L/2)

=

λ

2

gL

=λ

2

=

2

λ

0