Sound

Matching exercise

    
Match the items on the right to the items on the left.
A sound has a frequency of 50 Hz and a wavelength of 10 m. What is the speed of the sound?
A sound has a frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the sound?
A sound has a frequency of 30 Hz and a wavelength of 15 m. What is the speed of the sound?
A sound has a frequency of 15 Hz and a speed of 45 m/s. What is the wavelength of the sound?
500 m/s
5 m
450 m/s
3 m