Question

What is the energy Joules of Violet light with a frequency = 7.50 x 10¹⁴ s⁻¹?

a 1.50 x 10⁻1⁹ J
b 4.50 x 10⁻2⁵ J
c 2.50 x 10⁻3⁴ J
d 5.00 x 10⁻1⁴ J

Answer 1

The energy of violet light with a frequency of 7.50 x 10¹⁴ s⁻¹ is 4.97 x 10⁻³´ J.

Step-by-step explanation:

The energy of a photon can be calculated using the equation E = hf, where E is the energy, h is Planck's constant (6.626 x 10⁻³⁴ J-s), and f is the frequency of the light. In this case, the frequency is given as 7.50 x 10¹⁴ s⁻¹. Plugging in the values, we get:

E = (6.626 x 10⁻³⁴ J-s) * (7.50 x 10¹⁴ s⁻¹) = 4.97 x 10⁻³´ J

Therefore, the energy of the violet light with a frequency of 7.50 x 10¹⁴ s⁻¹ is 4.97 x 10⁻³´ J.