GKFix MCQ Question

If the surface is perfectly reflecting, what is the average force exerted by the same light?

• A. 1.2 × 10⁻⁶ N
• B. 6.0 × 10⁻⁷ N
• C. 2.4 × 10⁻⁶ N
• D. 4.8 × 10⁻⁶ N