Name an experiment proving that light is wave and one that is proving that light consists of particles.
wave: interference experiments e.g. double slit experiment
particles: photo-electric effect
EG
Related Physics A Level answers
All answers ▸Is the excitation and de-excitation of an electron from the ground state (of an atom) due to the collision of another particle (e.g. electron) an elastic collision or an inelastic collision.
An object with weight w is suspended from two strings at angles θ1 and θ2 to the vertical and with tensions T1 and T2. How would you resolve the vertical and horizontal forces?
When light above the threshold frequency of a metal is shone on the metal, photoelectrons are emitted. If the power of the light halves, are the maximum kinetic energy of the photoelectrons and/or the number of photoelectrons altered, and if so, how?
What is the Young's modulus of a material?