For a column of height L fixed in position and direction both at its top and bottom, its effective length, is

For a column of height L fixed in position and direction both at its t

1.	For a column of height L fixed in position and direction both at its top and bottom, its effective length, is
A.	<i>L</i>
B.	<img src="/_files/images/civil-engineering/steel-structure-design/108-14-204-2.png">
C.	<i>L</i>
D.	(1/2)*L
E.	<i>2L</i>
Answer» D. (1/2)*L