A rod AB of length 16 cm. rests between the wall AD and a smooth peg, 1 cm from the wall and makes an angle \[\theta \] with the horizontal. The value of \[\theta \] for which the height of G, the mid-point of the rod above the peg is minimum, is

A rod AB of length 16 cm. rests between the wall AD and a smooth peg,

1.	A rod AB of length 16 cm. rests between the wall AD and a smooth peg, 1 cm from the wall and makes an angle \[\theta \] with the horizontal. The value of \[\theta \] for which the height of G, the mid-point of the rod above the peg is minimum, is
A.	\[15{}^\circ \]
B.	\[30{}^\circ \]
C.	\[60{}^\circ \]
D.	\[75{}^\circ \]
Answer» D. \[75{}^\circ \]

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A rod AB of length 16 cm. rests between the wall AD and a smooth peg, 1 cm from the wall and makes an angle \[\theta \] with the horizontal. The value of \[\theta \] for which the height of G, the mid-point of the rod above the peg is minimum, is

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