Q208
In neutron moisture meter, source of fast neutrons is/are
A.
Radium
B.
Americium-beryllium
C.
Both A and B
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
A neutron moisture meter is a moisture meter utilizing neutron scattering. It is used to measure the water content in soil or rock. The technique is non-destructive and is sensitive to moisture in the bulk of the target material.In the neutron moisture meter, the source of fast neutrons is both Radium and American-beryllium.