A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the work required to pull the hanging part on to the table is [IIT 1985; MNR 1990; AIEEE 2002; MP PMT 1994, 97, 2000; JIPMER 2000]

Sodium hydroxide reacts with hydrochloric acid to form sodium chloride.

A uniform chain of length L and mass M is lying on a smooth table and

1.	A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the work required to pull the hanging part on to the table is [IIT 1985; MNR 1990; AIEEE 2002; MP PMT 1994, 97, 2000; JIPMER 2000]
A.	\[MgL\]
B.	\[MgL/3\]
C.	Sodium hydroxide reacts with hydrochloric acid to form sodium chloride.
D.	\[MgL/18\]
Answer» E.

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