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