1.657 * 10^14 meters?
2007-03-13 14:53:20 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
There are 2 basic equations to use, which you can combine into one.
The first is Planck's equation E = hF
where E is the energy in jules (you have that) and h is Planck's constant. (Easy to look up).
Now solve for f = frequency of the wave.
The second equation is c = (wavelegth)(frequency)
c = speed of light = 3 x 10E10 cm / sec. You already have the frequency, so solve for the wavelength
2007-03-13 15:04:54 · answer #1 · answered by reb1240 7 · 0⤊ 0⤋
is there anymore information given??
in that case you would use E=c*wavelength.. where c is the speed of light.. therefore.. to get the wavelenght = E/c
wavelength = 5E-20/3.0E8 = 1.66666667E-28 meters
2007-03-13 22:02:21 · answer #2 · answered by msz_chameleon 2 · 0⤊ 1⤋