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1 markPaper 1 · Multiple choiceParticulate Nature of Electromagnetic Radiation

CAPE Physics Unit 2 · 2007 · Paper 1 · Question Q32

A T.V. station broadcasts at a rate 200\text{ kW} and frequency 200\text{ MHz}. How many photons are emitted every second?

  1. (A)1.5 \times 10^{36}
  2. (B)1.5 \times 10^{33}
  3. (C)1.5 \times 10^{30}
  4. (D)1.5 \times 10^{27}

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