Question: At what rate do photons emitted by a laser ((lambda=650 mathrm{~nm})) hit a wall (3.00 mathrm{~m}) from the laser if the power rating is (6.00

At what rate do photons emitted by a laser $(\lambda=650 \mathrm{~nm})$ hit a wall $3.00 \mathrm{~m}$ from the laser if the power rating is $6.00 \mathrm{~mW}$ ? What assumption must you make to solve this problem?

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