Question

Which radiation or particle from radioactivity produces maximum biological damage?

• A. $\gamma -radiations$
• B. $\beta -rays$
• C. $\alpha rays$
• D. $\Delta rays$

Answer 1

The correct option is A

$\gamma -radiations$

$\gamma -radiations$ produce maximum biological damage among all other radioactive radiation.

The main precautions are :
(i) The source should be kept in a thick-walled lead container, when not in use.
(ii) Person should wear special protective (lead coated) clothing while working with a radioactive source.
(iii) Radioactive source should be handled with a long pair of lead tongs.