Problem: How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?(a) 4.99 x 1023(b) 7.99 x 1030(c) 5.67 x 1023(d) 1.25 x 1031(e) 3.75 x 1023

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How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?

(a) 4.99 x 1023

(b) 7.99 x 1030

(c) 5.67 x 1023

(d) 1.25 x 1031

(e) 3.75 x 1023

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