MCQ
A tuning fork makes $256$ vibrations per second in air. When the velocity of sound is $330\, m/s$, then wavelength of the tone emitted is ... $m$
- A$0.56$
- B$0.89$
- C$1.11$
- ✓$1.29$
✓
Answer
Correct option: D.
$1.29$
d
(d) $v = n\lambda $
(d) $v = n\lambda $
==> $\lambda = \frac{v}{n}$
$ = \frac{{330}}{{256}} = 1.29\,m$
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