A note of frequency of 2000Hz has a velocity of (400ms^{-1}). What is the wavelength of the note?
-
A.
800m -
B.
200m -
C.
5m -
D.
2m -
E.
0.2m
Correct Answer: Option E
Explanation
(lambda = frac{v}{f} = frac{400}{2000} = 0.2)m
(lambda = frac{v}{f} = frac{400}{2000} = 0.2)m