Question

a sound wave has a frequency of 1KHz and wave length 0.8m the speed of sound will be

Answer 1

heya mate

here's your answer >>>>>>

we know that, speed equal to wavelength into frequency
=>speed = 8/10×1000
= 800m/s

hope it helps u
thanks
@puja

Answer 2

v=f *wavlenght
so,
answer is 0.8m
800cm