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 ▸What are the similarities and differences between gravitational and electric fields?
3 resistors, R1, R2 and R3 are attached in parallel across a 6V cell with resistances 3, 4 and 5 Ohms respectively. Calculate the current across each resistor.
If a vehicle A, 1000kg moving at 5m/s collides with vehicle B, 750kg, moving in the opposite direction at 8m/s assuming no rebound what is the velocity of the vehicles after collision.
An ideal gas within a closed system undergoes an isothermal expansion from an initial volume of 1m^3 to 2m^3. Given that the initial pressure of the gas is 10^5 Pa, find the final pressure of the gas following the expansion.