Question

What is the energy of a single photon of infrared light with a wavelength of 1.00 μm? 1 mu m equals 10 to the power of negative 6 end exponent m

4.29 times 10 to the power of negative 20 end exponent J
1.98 times 10 to the power of negative 19 end exponent J
4.98 times 10 to the power of negative19 end exponent J
5.05 times 10 to the power of 18 end exponent J

Answer 1

B) 1.98 times 10 to the power of negative 19 end exponent J

Answer 2

OMGGGG 100% again thank youuuuuu ;u;

Answer 3

no prob bob