Question

A plane electromagnetic wave of wave interface 10W/m2 strikes a small mirror of area 20 cm2, held perpendicular to the approaching wave. The radiation force on the mirror will be:

• A. 6.6$\times$1011 N
• B. 1.33$\times$10-10 N
• C. 1.33$\times$10-11 N
• D. 6.6$\times$110-10 N

Answer 1

Answer: (A)

6.6$\times$1011 N

Answer 2

The correct answer is option (A): 6.6$\times$1011 N