Waves - Result Question 58
60. Each of the two strings of length and are tensioned separately by force. Mass per unit length of both the strings is same and equal to . When both the strings vibrate simultaneously the number of beats is
[2009]
(a) 7
(b) 8
(c) 3
(d) 5
Show Answer
Answer:
Correct Answer: 60. (a)
Solution:
- (a) The frequency of vibration of a string is given by,
where is mass per unit length.