Answer:
4.4 x 10⁻¹⁹ J
Step-by-step explanation:
To find the energy of the photon, you need to use the following equation:
E = hf
In this equation,
-----> E = energy (J)
-----> h = Planck's Constant (6.626 x 10⁻³⁴ J·s)
-----> f = frequency (Hz)
You can plug the given value and constant into the equation and solve for "E". The final answer should have 2 sig figs like the given value (6.7 x 10¹⁴ = 2 sig figs).
E = hf <----- Given equation
E = (6.626 x 10⁻³⁴ J·s)(6.7 x 10¹⁴ Hz) <----- Insert values
E = 4.4 x 10⁻¹⁹ J <----- Multiply