a) Give an example of an alpha radiation source used in homes b) Why is it safe to use a source of alpha radiation in the house

a) Smoke detector- americiumb) As alpha radiation is not very penetrating

Related Physics GCSE answers

All answers ▸

A bat emits a sound wave with a frequency of 25.0 kHz and a wavelength of 0.0136 metres. Calculate the speed of this sound wave.


Why would you get an electric shock if you touched a wire?


Describe the transfers of energy occurring when a ball is thrown vertically up in the air and falls back down to Earth, assuming there is no friction from the air.


Sophia (mass 47Kg) is travelling to the right with a velocity of 7.2m/s and ​Neesha (mass 68Kg) is travelling to the left with a velocity 4.8m/s. When ​they meet, they hold hands and travel off together. Give their final ​velocity and direction