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 | |