Question
Question: Fast neutrons can easily be slowed down by...
Fast neutrons can easily be slowed down by
A
The use of lead shielding
B
Passing them through water
C
Elastic collisions with heavy nuclei
D
Applying a strong electric field.
Answer
Passing them through water
Explanation
Solution
: Fast neurons can be easily slowed by passing them through water which contains a large number of protons of comparable masses.