Question

Light with an energy flux of 20 W/cm² falls on a non-reflecting surface at normal incidence. If the surface has an area of 30 cm², the total momentum delivered (for complete absorption) during 30 min is(a) 36 × 10⁻⁵ kg-m/s(b) 36 × 10⁻⁴ kg-m/s(c) 108 × 10⁴ kg-m/s(d) 1.08 × 10⁷ kg-m/s

Answer 1

HERE IS YOUR ANSWER :-

Option no A

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