Question

The distance between a compression and the next rarefaction will be (Wave length = $\lambda$ ):

a) $\frac{\lambda }{2}$
b) $\frac{\lambda }{4}$
c) $\frac{\lambda }{8}$
d) $\lambda$

[1 mark]

Answer 1

Answer: a) $\frac{\lambda }{2}$
[1 mark]



The distance between two consecutive compressions or rarefactions is called wavelength. It is denoted by symbol $\lambda$. Thus, the distance between a compression and the next rarefaction will be $\frac{\lambda }{2}$.