1) Waves moving on a lake have a speed of 2.3 m/s and a distance of 1.8 m between adjacent crests.
(a) What is the frequency of the waves?
Hz
(b) Find the period of the wave motion.
s
2) Compute the wavelength of the radio waves from the following stations.
(a) an AM station operating at a frequency of 850 kHz
m
(b) an FM station with a frequency of 99.5 MHz
m