Physics
Medium
Question
For chain reaction to build up the size of the radioactive target should be______________?
A
Greater than the critical size
✓ Official correct answer
B
Less than the critical size
C
Equal to the critical size
D
All of above can build up a change reaction
Community credibility
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A
Greater than the critical size
No member explanations yet for this option.
B
Less than the critical size
No member explanations yet for this option.
C
Equal to the critical size
No member explanations yet for this option.
D
All of above can build up a change reaction
No member explanations yet for this option.
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