

MCQOPTIONS
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1. |
The wavelength range of the visible light is about |
A. | 350 to 750 μm (micrometer) |
B. | 350 to 750 nm (nanometer) |
C. | 350 to 750 cm (centimeter) |
D. | none of the above |
Answer» C. 350 to 750 cm (centimeter) | |