GKFix MCQ Question

What is the force on a 10 cm² surface due to radiation pressure of 7 × 10⁻⁶ N/m²?

• A. 7 × 10⁻⁷ N
• B. 7 × 10⁻⁸ N
• C. 7 × 10⁻⁹ N
• D. 7 × 10⁻¹⁰ N