If an electromagnetic wave has a frequency of #7.57*10^14# #Hz#, what is its wavelength? To what part of the spectrum does this wave belong?

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Answer 1 · 2017-03-10T09:21:03

The wavelength is #=410nm#

Frequency, wavelength and speed are related by the followig equation

#v=f* lambda#

#f=7.57*10^14 Hz#

#v=3*10^8ms^-1#

#lambda=v/f#

#=(310^8)/(7.5710^14)#

#=0.4*10^-6#

#=410*10^-9#

#=410nm#

This wavelength corresponds to the the violet of the visible spectrum