GKFix MCQ Question

What is the range of frequencies for visible light?

• A. 1 × 10¹⁴ Hz to 3 × 10¹⁴ Hz
• B. 4 × 10¹⁴ Hz to 7.5 × 10¹⁴ Hz
• C. 8 × 10¹⁴ Hz to 10 × 10¹⁴ Hz
• D. 2 × 10¹⁵ Hz to 5 × 10¹⁵ Hz