The energy associated with the photon of a radio transmission at 3 x 105 Hz…

The energy associated with the photon of a radio transmission at 3 x 105 Hz is
[h = 6.63 x 10-34Js]
  • A.
    2.00 x 10-28J
  • B.
    1.30 x 10-28J
  • C.
    2.00 x 10– 29J
  • D.
    1.30 x 10-29J
Correct Answer: Option A
Explanation

A photon of energy E = hf
= 6.63 x 10-34 x 3 x 105
= 19.89 x 10-29
= 2.0 x 10-28J

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