Two boys have made a cup and string device to try to communicate. The sound wave from the voice of the boy on the right will have to
travel through the cup, the match stick holding the string, the thread and the other cup and match stick until it reaches the ear of the boy
on the left. Each of these parts has different properties. Which statement is true?
(1 point)
The frequency remains constant.
The frequency changes, while the wavelength and speed of the wave remain the same.
The period changes, while the wavelength and the speed of the wave remain the same.
The period and the speed of the wave change proportionally
1 answer
The frequency remains constant.