A stationary wave set up on a string have the equation 
. This stationary wave is created by two identical waves, of amplitude A each moving in opposite directions along the string. Then,
A
. B
. C
the smallest length of the string is 50 cm.
D
the smallest length of the string is 2 m.
Text Solution
Verified by ExpertsThe correct answer is:
C
Amplitude, 
From the given equation, we can see that 
.
As smallest length of string is equivalent to a single loop or length of string equal to 
or 
.
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