Ans 11 :
speed of light = frequency x wavelength
here wavelength = 954.9 nm or 954.9 x 10-9 m
speed of light = 3.0 x108 m/s
putting values :
3.0 x108 m/s = frequency x 954.9 x 10-9 m
frequency = (3.0 x108 m/s) / ( 954.9 x 10-9 m)
= 3.14 x 1014 Hz
11. (3 pts) What is the frequency of an photon having a wavelength of 954.9 nm?...
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