What is wavelength of visible spectrum?
A1300 – 3000 angstrom
B7800 – 8000 angstrom
C8500 – 9800 angstrom
D3900 – 7600 angstrom
Correct answer
D. 3900 – 7600 angstrom
Explanation
3900 – 7600 angstrom is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.