A sensor records 360 complete oscillations in 0.30 s as a sound wave travels through oil. The sound wave then enters a glass window, where its speed is 4800 m/s.
Which gives the frequency of the sound wave in the glass and its wavelength in the glass?
1200 Hz1200\ \mathrm{Hz}1200 Hz and 0.25 m0.25\ \mathrm{m}0.25 m
108 Hz108\ \mathrm{Hz}108 Hz and 44 m44\ \mathrm{m}44 m
108 Hz108\ \mathrm{Hz}108 Hz and 0.023 m0.023\ \mathrm{m}0.023 m
1200 Hz1200\ \mathrm{Hz}1200 Hz and 4.0 m4.0\ \mathrm{m}4.0 m