How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?
A) 5.67 × 1023 photons
B) 2.01 × 1024 photons
C) 1.25 × 1031 photons
D) 4.99 × 1023 photons
E) 7.99 × 1030 photons
Answer: D
How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?
A) 5.67 × 1023 photons
B) 2.01 × 1024 photons
C) 1.25 × 1031 photons
D) 4.99 × 1023 photons
E) 7.99 × 1030 photons
Answer: D