Grade Upto college level Engineering Entrance Exams
The tension in the sonometer wire is increased by 21%. It fundamental frequency
(a) Increases by 21%
(b) Increases by 10%
(c) Increases by 5%
(d) Increases by 7%
sumit kumar
12 Years agoGrade Upto college level
1 Answer
Vikas TU
6 Years ago
fundamental frequency ________ f=1/2l√i/m
length of the wire
f¹/f. =(t¹/t)½
hence f¢= f+6
t¢=t+0.44t
so , ______________ (f+6)/f = √ 1.44t/t
f=30 Hertz
Other Related Questions on engineering entrance exams