Exam-style question
Try this first
If a photon has an energy of 1.24 x 10^-6 J, what is its frequency?.
- A.1.87 x 10^14 Hz
- B.1.87 x 10^15 Hz
- C.1.87 x 10^13 Hz
- D.1.87 x 10^12 Hz
Model answer
What a good answer should say
- 1.87 x 10^14 Hz
Explanation
Why this works
To find the frequency of a photon, we use the formula E = hf, rearranged to f = E/h. Substituting the values: f = (1.24 x 10^-6 J) / (6.63 x 10^-34 J·s) = 1.87 x 10^14 Hz.
Common mistake
No common mistake is linked to this question yet.