Question

What is the energy of an electromagnetic wave that has a frequency of

4.0 x 109 Hz? Use the equation E = hf, where h = 6.626 x 10-34 J·s.

Answer 1

`Energy, \; E = 2.6504 * 10^(-34) \; Joules`

Step-by-step explanation:

Given the following data;

Frequency = 4.0 x 10⁹ Hz

Planck's constant, h = 6.626 x 10-34 J·s.

To find the energy of the electromagnetic wave;

Mathematically, the energy of an electromagnetic wave is given by the formula;

E = hf

Where;

E is the energy possessed by a wave.

h represents Planck's constant.

f is the frequency of a wave.

Substituting the values into the formula, we have;

`Energy, \; E = 4.0 x 10^(9) * 6.626 x 10^(-34)`

`Energy, \; E = 2.6504 * 10^(-34) \; Joules`