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Consider a cylinder of height h cm and ...

Consider a cylinder of height h cm and radius `r=(4)/(pi)` cm as shown in figure A string of certain length when wound on its cylindrical surface , starting at point A, gives a maximum of n turns .
What is the vertical spacing ( in cm ) between two consecutive turns ?

A

`h/n`

B

`sqrth/n`

C

`(h^2)/n`

D

can't be determined

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The correct Answer is:
A
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