Question

A sound wave of frequency of 500 Hz and wavelength of 2m. How long will it travlel 1000 m

Answer 1

500Hz means 500 times in 1s.

And 1 time = 2m

Then 1000m will be 1000/2 times

So 500 times it would take.

Since 500 times takes 1s so time taken would be 1s.