A source produces sound waves under
water. Waves travel through water and
then into air. Which of the following
statements about the frequency (f) and
the wavelength () is correct and sound
passes from water to air?
(1) f remains unchanged but decreases.
(2) f remains unchanged but increases.
(3) remains unchanged but f decreases.
(4) remains unchanged but f increases.
water. Waves travel through water and
then into air. Which of the following
statements about the frequency (f) and
the wavelength () is correct and sound
passes from water to air?
(1) f remains unchanged but decreases.
(2) f remains unchanged but increases.
(3) remains unchanged but f decreases.
(4) remains unchanged but f increases.