What will be the fundamental note emitted by a string of length `20 sqrt(10)` cm under a tension of 6.28 kg st if its radius and density are 0.2 mm and 19.6 `g//cm^(3)`, respectively ?

Explanation

To find the fundamental note emitted by a string, we can use the formula for the fundamental frequency of a vibrating string:

\[ f = \frac{1}{2L} \sqrt{\frac{T}{\mu}} \]

where:
- \( f \) is the fundamental frequency,
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