1.

Assertion A beam of charged particles is employed in the treatment of cancer. Reason Charged particles on passing through a material medium loss their energy by causing ionisation of the atoms along their path.A. If both Assertion and Reason are true and Reason is the correct explanation of Assetion.B. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.C. If Assetion is true but Reason is false.D. If both Assertion and Reason are false.

Answer» Correct Answer - B
A raditation consists of a beam of a charged particles. When radiation is used for cancer treatement , them on falling upon the concerous , it destryos, cancer cells.


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