Electromagnetic WavesMedium
Question
A laser beam (λ = 633 nm) has an power of 3 mW. What will be the pressure exerted on a surface by this beam if the cross sectional area is 3 mm2. (Assume perfect reflection and normal incidence)
Options
A.6.6 × 10-3 N/m2
B.6.6 × 10-6 N/m2
C.6.6 × 10-9 N/m2
D.6.6 × N/m2
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