The energy in joules (E) associated with a photon of radiation is related to its frequency in
hertz (f) by the equation: f =E/h where h is a constant (6.63
10-34). What is the energy of a
photon of radiation if 5 waves of this radiation are produced in 1
10-13 sec?

Answer:

19) C

Frequency = (5 ÷ 10⁻¹³) = 5 x 10¹³ (PLEASE LEARN THE POWERS RULES)

Energy = f x h = 5 x 10¹³ x 6.63 x 10⁻³⁴

= 33.15 x 10⁻²¹

= 3.32 x 10⁻²⁰ J