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 ▸

If photons of wavelength 0.1nm are incident on a 2m x 2m Solar Panel at a rate of 2.51x10^15s^-1, calculate the intensity, I, of the photons on the Solar Panel.


A wire has length l, cross-sectional area a, resistivity p and resistance R. It is compressed to a third of its original length but its volume and resistivity are constant. Show its new resistance is R/9.


What is the stress in a cylindrical rod of 10.0cm diameter when loaded by 50.0N force at each end?


An object is let in free fall from a platform 20m high above Earth's surface. Describe the event in terms of energy and thus determine the speed of the object when it hits ground. Air resistance is negligible and gravitational acceleration is constant.