Answer:1384 Hz
Explanation:
Given
wavelength
=0.25 m
Temperature T
at
velocity of sound is 346 m/s
and we know



f=1384 Hz
Right when it’s about to go down and stopped.
Answer:
Diffraction
Explanation:
Diffraction is the bending of waves around obstacles and openings. The amount of diffraction increases with increasing wavelength.