Author Question: A radio wave signal, which transmits at a frequency of 10.4 MHz, has what wavelength? (c = 3.00 108 ... (Read 110 times)

lracut11 · **on:** Jul 28, 2018

A radio wave signal, which transmits at a frequency of 10.4 MHz, has what wavelength? (c = 3.00 108 m/s)
a. 28.8 m
c. 4.17 m
b. 2.4 10-2 m
d. 41.7 m

Question 2

A sound source of frequency 1000 Hz moves at 40.0 m/s toward a listener who is at rest. What is the apparent frequency heard by the listener? (speed of sound = 340 m/s)
a. 853 Hz
c. 1130 Hz
b. 872 Hz
d. 1170 Hz