Question

24. A uniform string is clamped at its two ends. Its
mass per length is given by 20 g/m, the transverse
displacement wave of the string is given by
y=5 sin
270
x cos(20nt)m, then tension in the
x cost
3
string is
(1) 9N
(2) 0.9 N
5.5 (3) 18 N
(4) 18 N​

Answer 1

Answer:

2.0.9 is correct..............