A Geiger counter placed 1 meter from a point source of radiation registers 100 counts per minute. If the Geiger counter is moved closer, half-way to the source, the counting rate will be

A) 25 counts/min.
B) 50 counts/min.
C) 100 counts/min.
D) 200 counts/min.
E) 400 counts/min.


Answer: E

Physics & Space Science

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The biological damage caused by radioactive materials is due to

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