10) What is the energy of a photon whose frequency is 2.7 X 1014 Hz? A) 2.45x10-20) B) 2.45x1048) C) 17.9x10-20 D) 17.9x1048)

Question

asked Aug 15, 2021 80.2k views

1 Answer

Tomasz Nguyen · Answer 1 · 2021-08-20T02:12:22+0000

Answer: c

Step-by-step explanation:

E=hf

h = constant

f = frequency

$E=(6.626x10^-^3^4J/s)(2.7x10^1^4Hz)\\E=1.78902x 10^-^1^9$

moving the point 1 number to the right, and rounding up, leaves us with;

E=17.9x 10^-^2^0