Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A horizontal stretched string fixed at two ends, is vibrating in its fifth harmonic according to the equation y(x, t) = 0.01m sin [(62.8m -1 )x] cos[(628s -1 )t]. Assuming 
= 3.14, the correct statement(s) is (are)
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(B, C)
y = 0.01 m sin (20 
x) cos 200 
t
no. of nodes is 6
length of the spring = 0.5 x 
= 0.25
Mid point is the antinode
Frequency at this mode is f = 
Fundamental frequency = 
20Hz.
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