Light with an Intensity of 1 KW/m² Falls Normally on a Surface

question 58

Multiple Choice

Light with an intensity of 1 kW/m² falls normally on a surface with an area of 1 cm² and is completely absorbed. The force of the radiation on the surface is:

• A) 1.0 * 10^-4 N
• B) 3.3 * 10^-11 N
• C) 1.7 * 10^-10 N
• D) 3.3 * 10^-10 N
• E) 6.7 *10^-10 N

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