The radius \[r\] of half period zone is proportional to [RPMT 1998, 20

1.	The radius \[r\] of half period zone is proportional to [RPMT 1998, 2002]
A.	\[\sqrt{n}\]
B.	\[\frac{1}{\sqrt{n}}\]
C.	Blue
D.	\[\frac{1}{n}\]
Answer» B. \[\frac{1}{\sqrt{n}}\]

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The radius \[r\] of half period zone is proportional to [RPMT 1998, 2002]

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