A. 8500 – 9800 angstrom
B. 7800 – 8000 angstrom
C. 3900 – 7600 angstrom
D. 1300 – 3000 angstrom
Submitted by: Engr Allah Wadhayo
Correct Answer: C. 3900 – 7600 angstrom ✔
Last Updated: June 26, 2024
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