Question 1
Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The energy of one photon of this light is ________ J.
◦ 1.04 × 10
-31◦ 3.79 × 10
-28◦ 3.79 × 10
-19◦ 1.04 × 10
-22◦ 2.64 × 10
18Question 2
Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10
-19 J. Thus, a laser that emits

of energy in a pulse of light at this wavelength produces ________ photons in each pulse.
◦ 2.9 × 10
-17◦ 9.2 × 10
-24◦ 1.8 × 10
19◦ 3.5 × 10
16◦ 6.5 × 10
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