English, asked by specialuser21, 5 hours ago

total English 10
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Answered by s16497aDHAIRIYA2561
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

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