A wave represented by the equation 
is superposed with another wave to form a stationary wave such that the point 
is a node. The equation of the other wave is
A
a 
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The given wave is travelling in positive 
-direction. The other wave should travel in negative 
-direction. Further at 
, net displacement by both the waves should always be zero for any value of 
, as it is node. Only option satisfies both these conditions.
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