Related questions

Question

Consider the sodium vapor lamps described in question 13. How much energy is emitted by 45.8 mg of sodium atoms emitting light at this wavelength? Assume each sodium atom emits one photon. a) 2.0 x 10^-3 J b) 420 J c) 4.2 x 10^5 J d) 2.0 x 10^21 J