A radio wave has a frequency of 2.3 1010 Hz. What is the energy (in J) of one photon of this radiation?

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2007-03-19 15:41:34 · 2 answers · asked by pinay804 2 in Science & Mathematics ➔ Physics

its 2.3 x 10^10 Hz

2007-03-19 15:51:14 · update #1

Energy of a photon=(Planck's const. h ) x frequency
=6.62 x 10 (- 34) x 2.3 x 10 (10)
=15.23 x 10 ( - 24) J

2007-03-19 16:01:26 · answer #1 · answered by ukmudgal 6 · 0⤊ 0⤋

Use Planck's equation

E = h f

E is energy in Joules
h is Planck;'s constant (you can look this up)
f is frequency (Hz is cycles per second)

2007-03-19 22:58:12 · answer #2 · answered by reb1240 7 · 0⤊ 0⤋