In the following questions, Statement of assertion (A) is followed by a statement of reason (R). 1. If both assertion and reason are true and the reason is the correct explanation of the assertion, then mark. 2. If both assertion and reason are true but the reason is not the correct explanation of the assertion, then mark. 3. If assertion is true statement but reason is false, then mark. 4. If both assertion and reason are false statements then mark.
Assertion: A beam of charged particles is employed in the treatment of cancer. Reason: Charged particles on passing through a material medium lose their energy by causing ionization of the atoms along their path.A) 1
B) 2
C) 3
D) 4
Correct Answer: B
Solution :
Light is a form of radiation. Laser is a concentrated pure form of light. The light can be of different types, depending on what substance is used to emit the radiation or light. The concentrated beam of light that is the laser can treat skin cancer by several mechanism. Also charged particles on passing through a material medium lose their energy by causing ionization of the atoms along their path.
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