GKFix MCQ Question

What is the wavelength of a light wave with a period of 2.0 × 10⁻¹⁰ s?

• A. 6.0 × 10⁻² m
• B. 6.0 × 10⁻³ m
• C. 6.0 × 10⁻¹ m
• D. 6.0 × 10⁻⁴ m