How, given the threshold frequency and the kinectic enery of a photon, do you determine the frequency of the phton?

You can use E= hfo + KE and E=hf (Einstien's equations) to work how the frequency of a photon, where fo is the threshold frequency and h is Planck's constant.

HW

Related Physics A Level answers

All answers ▸

Derive an expression to show that for satellites in a circular orbit T² ∝ r ³ where T is the period of orbit and r is the radius of the orbit.


How do stars form?


How might you use sound waves to smash a glass? What are other examples of resonance in everyday life?


What is resonance