1.

A plane electromagnetic wave of wave intensity 6 W/m2 strikes a small mirror area 40 cm2, held perpendicular to the approaching wave. The momentum transferred by the wave to the mirror each second will be 

A. \[6.4\times {{10}^{-7}}kg-m/{{s}^{2}}\] 
B. \[4.8\times {{10}^{-8}}kg-m/{{s}^{2}}\]
C. \[30{}^\circ \]
D. \[1.6\times {{10}^{-10}}kg-m/{{s}^{2}}\]
Answer» E.


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