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Q.

A radio transmitter operates at a frequency of 880 kHz and a power of 10 kW. The number of photons emitted per second are

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a

13.27×1034

b

0.075×10−34

c

1.72×1031

d

1327×1034

answer is A.

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Detailed Solution

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Number of photons emitted per second

n=phv=10×1036.6×10−34×880×103=1.72×1031

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A radio transmitter operates at a frequency of 880 kHz and a power of 10 kW. The number of photons emitted per second are