3 interactive labs · AS & A Level Physics 9702
· Shine light of any wavelength and intensity on a metal, find the threshold frequency, and measure the Planck constant from a stopping-p.d. graph.
Shine light of any wavelength and intensity on a metal, find the threshold frequency, and measure the Planck constant from a stopping-p.d. graph.
You will be able to
· Accelerate electrons through a graphite film, watch diffraction rings build up one electron at a time, and link the ring size to the de Broglie wavelength.
Accelerate electrons through a graphite film, watch diffraction rings build up one electron at a time, and link the ring size to the de Broglie wavelength.
You will be able to
· Drop electrons between the energy levels of hydrogen or mercury, catch each photon, and build the emission and absorption line spectra.
Drop electrons between the energy levels of hydrogen or mercury, catch each photon, and build the emission and absorption line spectra.
You will be able to