Question

A certain shade of blue has a frequency of 7.15 x 10'4 Hz. What is the energy of exactly one photon of this light? E =

Answer 1

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2.23694 miles/hour = 1 m/s DATED # Given frequency = 7:15 x 1024 HZ = 7:15 X204 sob { 1 HZ = 151} Step 1 formula Energy of Single photon E = h. v. E = Energy h = planck Constant = 6.626 X 10 -34 JS 2 = frequency = 7.15 8 10 14 S-1 caiven) Step 2 Dolosing Determine the energy of one photon E = 6.626 X 10 -34 Js X7.15 x 10 14 S-1 E = 47.378 X 10-20 - 74.7370_X10-19) 4:7 X10-195 Steps Given (m) mass = 5.25 gram (V) Speed (velocity) of bullet = 1505 miles/hour 2.23694 miles/hour = 1 m/s. Now 1505 miles/hour - I X 1505 m/s 2.23694 = 672.8 m/s Step 2 The de Broglie Equation h 6:626 X10-34 Is 1 - mx V 5.259 X 672.0 m/s

DATETIT 6.626 X 10 3532.2 A = 0.001876 8 10-34 m A = 1.876 x 10-37 m And in two Significant Ans = 1.0 X 10-37m digit