43. Find words from the story Mix up at birth which mean the same:- a)Lacking knowledge- b)Disturbance or fuss- c)Wildly excited
Answers
Answered by
5
Explanation:
b) disturbing
this is your answer
Answered by
0
Answer:
Frequency of oscillation of string in n
th
harmonic is
2l
nc
.
where c is the speed of the wave in the string.
Since the string vibrates in 4 segments, n=4
400=
2l
4c
⟹
2l
c
=100
Fundamental frequency f
1
=
2l
1×c
=100Hz
Similar questions