

MCQOPTIONS
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1. |
The wavelength of visible light are between |
A. | 300 m to 0.4 m |
B. | 0.4 m to 0.7 m |
C. | 0.7 m to 1000 m |
D. | 0.1 cm to 30 cm |
Answer» C. 0.7 m to 1000 m | |