Give an example of 3 different types of radiation stating their make up, penetration and ionising effect.
alpha - helium nucleus - least penetrating - most ionising
beta - electron or positron - second most penetrating - second most ionising
gamma - photon - most penetrating - least ionising
MS
Related Physics A Level answers
All answers ▸Why does magnetic field do no work on an electric charge?
If a wire loop moves at constant speed into a region where there is a magnetic field, why is a current induced in the wire?
An ultraviolet wave of continuous frequency reflects from a solid surface back in the direction of the transmitter. Assuming no amplitude is lost, describe and explain the behaviour of the particles in the medium between the transmitter and surface.
Describe and explain the photoelectric effect in terms of photons interacting with the surface of a metal.