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
Verified Correct Answer: A.
Physical Principles & Numerical Solution
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
Source: Myschool Past Questions Archive (Record #12255)