Question

The string of a guitar is vibrating at a frequency of 200 hertz. Calculate its time

period?​

Answer 1

Answer:

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Answer 2

Answer:

f=

2L

1

μ

T

where f is frequency, T is Tension, L = length and μ is constant

∴f∝

L

T

⇒

f

1

f

2

=(

T

1

T

2

)(

L

2

L

1

)

Squaring on both sides and rearranging we get

⇒

T

1

T

2

=

(f

1

L

1

)

2

(f

2

L

2

)

2

L

2

=2L

1

,f

1

=200Hz,f

2

=300Hz

Substituting above values we get

T

1

T

2

=

1

9

Explanation:

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