Assertion A beam of charged particles is employed in the treatment of cancer
Reson Charged particles on passing through a material medium lose their energy by causing ionization of the atoms along their path.
A. Both assertin and reason are true and reason is the correct explanation of assertion
B. Both assertion and reason are true but reason is not the correct explanation of assertion
C. Assertion is true but reason is flase
D. Both assertion and reason are false
