Answer :
The frequency of light is 3.88x10^23Hz
E = 1.55 x J/ mol
E = hv
v = (1.55x /1mol x 1mol/6.023 x )/6.626 x 10^34
velocity = 3.88x10^23 s-1
in view that 1 Hz = 1/ s = 1
velocity =3.88x10^23 Hz
The part of the electromagnetic spectrum consists of the electromagnetic radiation that the human eye perceives as mild or visible moderate. seen mild normally possesses wavelengths between four hundred and seven hundred nanometers (nm) or frequencies between 750 and 420 terahertz, which can be midway between infrared and ultraviolet (with longer wavelengths) (with shorter wavelengths).
The power associated with a single photon is given by means of E = h ν, wherein E is the strength (SI devices of J), h is Planck's consistent (h = 6.626 x 10–34 J s), and ν is the frequency of the radiation (SI gadgets of s–1 or Hertz, Hz) (see determine beneath).
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