Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters.
(E = hν, h = 6.63 × 10-34 J.sec; speed of light = wavelength × ν, speed of light = 3.0 × 108 meters/sec.)
3 answers
You have all of the formulas and the numbers there, what's the problem? By the way, you must change 12.7 cm to m. Also, you don't have wavelenth in the formula; I would use E = hc/wavelength.
7.3*10-19
E= hc/wavelength
h (6.63x12^-34) x c (3.0x10^8) = 1.99x10^-25 / 0.127m = 1.6x10^-24
remembering you have to convert cm to m
h (6.63x12^-34) x c (3.0x10^8) = 1.99x10^-25 / 0.127m = 1.6x10^-24
remembering you have to convert cm to m
2 answers