What is the wavelength of the visible spectrum?

• A. 1300 Å - 3000 Å
• B. 3900Å - 7600Å
• C. 7800 Å-8000Å
• D. 8500 Å- 9800Å

• 3900Å - 7600Å

Please select one of the options to reveal the correct answer.