Question

How are the wavelength of sound wave and frequency of a sound waves related to its speed

Answer 1

the relationship between the wavelength, speed and frequency of a sound wave is :-

the velocity (or speed ) of a sound wave of wave length is lambda in time (t) is given by:-
v= distance travelled
---------------------------
time taken
=>. v = lambda
--------------
t ( time )
=> v= lambda × 1/ time (t)
{ as frequency (f) = 1/t }

=> v = lambda × f

just put off the lambda sign

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Answer 2

Wavelength, speed, and frequency are related in the following way:

$\small\tt\red{Speed\:=Wavelength\:x\:Frequency}$

$\large\tt\red{v\:=\:λ ν}$

Hope you understood! :)