Question

Given below are wo statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The probe of a neutron moisture meter is inserted into an access tube fixed vertically in the soil Reason R: The probe of a neutron moisture meter contains a source of fast protons and a detector fo slow electrons and helps in estimating soil moisture content In light of the above statements, choose the most appropriate answer from the options given below

A Both A and R are correct and R is the correct explanation of A
B Both A and R are correct but R is NOT the correct explanation of A
C A is correct but R is not correct
D A is not correct but R is correct
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