Light with an energy flux of 25 10 4 Wm -2 falls on a perfectly reflecting surface at…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
Light with an energy flux of 25 \(\times\) 104 Wm-2 falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 cm2, the average force exerted on the surface is
- 1.25 \(\times\) 10-6 N
- 2.50 \(\times\) 10-6 N
- 1.20 \(\times\) 10-6 N
- 3.0 \(\times\) 10-6 N
Answer
(B) 2.50 10 -6 N
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