The energy of a photon is 1.5MeV. Calculate the frequency associated with this photon energy and state an appropriate unit in your answer.
E=1.5MeV = (1.5x10^6)(1.6x10^-19)J = 2.4x10^-13J E=hf, f=E/h = (2.4x10^-13)/(6.63x10^-34)=3.6x10^20Hz
TD
Related Physics A Level answers
All answers ▸A particle of mass 5kg is moving in circular motion with a time period of 2 seconds. The radius of the circle is 10m. What is the centripetal force on the particle
In a circuit with a thermistor and bulb, what happens to the brightness of the bulb as the temperature increases?
What Newton’s third law of motion?
An electron falling from one energy level to another emits a photon of wavelength 550nm. What is the difference between the two energy levels?