1.

Radiations of intensity \[0.5\,\,W/{{m}^{2}}\] are striking a metal plate. The pressure on the plate is                       [DCE 2004]

A.            \[0.166\times {{10}^{-8}}\,N/{{m}^{2}}\]                    
B.            \[0.332\times {{10}^{-8}}\,N/{{m}^{2}}\]
C.            \[0.111\times {{10}^{-8}}\,N/{{m}^{2}}\]                    
D.            \[0.083\times {{10}^{-8}}\,N/{{m}^{2}}\]
Answer» B.            \[0.332\times {{10}^{-8}}\,N/{{m}^{2}}\]


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