Wave Mechanics Vibration Of String Question 22
Question: A string of 7 m length has a mass of 0.035 kg. If tension in the string is 60.5 N, then speed of a wave on the string is
[CBSE PMT 2001]
Options:
A) 77 m/s
B) 102 m/s
C) 110 m/s
D) 165 m/s
Show Answer
Answer:
Correct Answer: C
Solution:
$ v=\sqrt{\frac{T}{m}} $
Therefore $ v=\sqrt{\frac{60.5}{(0.035/7)}}=110 $
$ m/s $
BETA
