wave_mechanics basics_of_mechanical_waves Question 5
Question: 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
[KCET 1994; AFMC 1998; MH CET 1999; CBSE PMT 1999]
Options:
A) 0.56 m
B) 0.89 m
C) 1.11 m
D) 1.29 m
Show Answer
Answer:
Correct Answer: D
Solution:
$ v=n\lambda $
Therefore $ \lambda =\frac{v}{n} $
$ =\frac{330}{256}=1.29m $
BETA
