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1. |
What will be the number of photons emitted per second, if the power of the radio transmitter is 15 kW and it operates at a frequency of 700 kHz? |
A. | 3.24 10<sup>31</sup> |
B. | 3.87 10<sup>25</sup> |
C. | 2.77 10<sup>37</sup> |
D. | 3.24 10<sup>45</sup> |
Answer» B. 3.87 10<sup>25</sup> | |