The length of the normal chord to the parabola \[{{y}^{2}}=4x\], which subtends right angle at the vertex is [RPET 1999]

The length of the normal chord to the parabola \[{{y}^{2}}=4x\], which

1.	The length of the normal chord to the parabola \[{{y}^{2}}=4x\], which subtends right angle at the vertex is [RPET 1999]
A.	\[6\sqrt{3}\]
B.	\[3\sqrt{3}\]
C.	2
D.	1
Answer» B. \[3\sqrt{3}\]

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The length of the normal chord to the parabola \[{{y}^{2}}=4x\], which subtends right angle at the vertex is [RPET 1999]

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