Author Question: Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = h, h = ... (Read 77 times)

shofmannx20 · **on:** Aug 27, 2018

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = h, h = 6.63 10-34 J.sec; speed of light = wavelength , speed of light = 3.0 108 meters/sec.)

A) 4.9 1019 J
B) 7.3 10-19 J
C) 3.6 10-18 J
D) 1.6 10-24 J

Question 2

What is the wavelength (in meters) of radio waves that have a frequency of 89.9 MHz? (wavelength frequency = speed of light; speed of light = 3.0 108 meters/sec.)

A) 3.3 centimeters
B) 2.7 1016 millimeters
C) 0.30 meters
D) 3.3 meters