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5 votes
For which of the following materials is necessary to stop a beta particle?

A. Three feet of concrete
B. Three inches of lead
C. Thin pieces of wood
D. Single sheet of paper

User BadPirate
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6.4k points

1 Answer

1 vote
Hello.

The answer would be A. Three feet of concrete.

Have a nice day.
User BastienSander
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