What is the wavelength of a photon of red light (in nm) whose frequency is #4.55*10^14# #Hz#?

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Answer 1 · 2017-08-09T19:53:49

#lambda# #=659.34nm#

#lambda# = #c/f#

#lambda = #wavelength (m)

#c=# speed of light #= 3.00 xx 10^8#(m/s)

#f =# frequency of light (#H_z#)

#= (3.00 xx 10^8)/(4.55 xx 10^14)#

# lambda# #=6.59 xx 10^-7m#

#1m = 1 xx 10^9nm#

#=(6.59 xx 10^-7) xx 10^9#

#=659.34nm#