To absorb the x-rays. Dentists and dental technicians might x-ray several people each day and the long term effect of the exposure could kill them if they didn't protect themselves.
its
because lead has high atomic number: 82, and it has high density which makes it resistent to radiation. that is why you have to wear lead apron.
it is bcos lead is a good radiator of uv rays!thus they do
Folding the lead apron is not recommended. This can result in creases in the protective barrier, reducing its effectiveness. The apron should be hung up or laid out in such a way that it is flat with no folds.
most radiation, known as scatter, travels through the body and is not blocked by the apron.
To protect from stray radiation. Yes, it seems a little silly: "Here, put on this vest while I aim the barrel of this thing right at your head" but the thought is more along the lines of "We've got to send them streaming through your jaw, there's no help for that, but we might as well protect the rest of your body."
to absorb all the gamma rays
Lead is heavy.
Lead apron will be provided. Clothing doesn't matter.
It is called a lead apron.
protective covering (a lead apron)
The simile "as heavy as lead" means something is extremely heavy or burdensome. Lead is a dense and weighty material, so when an object or situation is compared to lead, it conveys a sense of great heaviness.
Yes
Dental decay
Heavy metals as lead retain nuclear radiations.