What is the frequency of a wave of red light in the air where its wavelength is 6.8×10−7m?
1 Answer
Jul 1, 2018
Approximately
Explanation:
Frequency of a photon is given by the equation:
where:
#f# is the frequency in hertz#(1 \ "Hz"-=1 \ "s"^-1)#
#c# is the speed of light, which is approximately#3*10^8 \ "m/s"#
#lambda# is the wavelength in meters
So, we get: