Problem: What is the energy (J) of a photon of a 1 km radio wave? a) 1 x 10-25 b) 1 x 10-28 c) 2 x 10-25 d) 2 x 10-28 e) 5 x 10-25

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What is the energy (J) of a photon of a 1 km radio wave?

a) 1 x 10-25

b) 1 x 10-28

c) 2 x 10-25

d) 2 x 10-28

e) 5 x 10-25