Equation of travelling wave on a stretched string of linear density 5 g/m is y=0.03 sin (450 t−9x) where distance and time are measured is SI units. The tension in the string is : |
|||
(a) |
10 N |
(b) |
12.5 N |
(c) |
7.5 N |
(d) |
5 N |
Equation of travelling wave on a stretched string of linear density 5 g/m is y=0.03 sin (450 t−9x) where distance and time are measured is SI units. The tension in the string is : |
|||
(a) |
10 N |
(b) |
12.5 N |
(c) |
7.5 N |
(d) |
5 N |
y =
V==
=50 m/s
V==2500
⇒T=2500×5×10−3
=12.5 N