

MCQOPTIONS
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1. |
The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from__________________? |
A. | 10-10 to 106 m |
B. | 10-8 to 106 m |
C. | 10-10 to 1010 m |
D. | 10-8 to 108 m |
Answer» B. 10-8 to 106 m | |