Photon Energy: An 84-kW AM radio station broadcasts at 1000 kHz. How many photons are emitted each second by the transmitting antenna? (h = 6.626 × 10-34 J ? s)
A. 1.3 × 1032
B. 2.9 × 1024
C. 6.3 × 1012
D. 1.4 × 1015
Answer: A
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