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1. |
What is the wavelength band for TV rays? |
A. | 1 * 10 <sup>3 </sup>to 34 * 10 <sup>10 </sup>micron meter |
B. | 1 * 10 <sup>3 </sup>to 2 * 10 <sup>10 </sup>micron meter |
C. | 1 * 10 <sup>3 </sup>to 3 * 10 <sup>10 </sup>micron meter |
D. | 1 * 10 <sup>3 </sup>to 56 * 10 <sup>10 </sup>micron meter |
Answer» C. 1 * 10 <sup>3 </sup>to 3 * 10 <sup>10 </sup>micron meter | |