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 ▸Which are the types of carrier movements and how are they activated
Why does an α particle cause more ionisation than a β particle if they have the same kinetic energy?
An atom can become excited by the absorption of photons. Explain why only photons of certain frequencies cause excitation in a particular atom.
Describe and explain the life cycle of a star?