A symmetrical biconvex lens of focal length 'f' is cut into four identical pieces along and perpendicular to its principal axis The focal length of each of four pieces is

A symmetrical biconvex lens of focal length 'f' is cut into four ident

1.	A symmetrical biconvex lens of focal length 'f' is cut into four identical pieces along and perpendicular to its principal axis The focal length of each of four pieces is
A.	4f
B.	f / 4
C.	2f
D.	f / 2
Answer» D. f / 2

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A symmetrical biconvex lens of focal length 'f' is cut into four identical pieces along and perpendicular to its principal axis The focal length of each of four pieces is

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