Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Consider the parabola with vertex 
and the directrix 
. Let P be the point where the parabola meets the line 
. If the normal to the parabola at P intersects the parabola again at the point Q, then (PQ) 2 is equal to :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
…(1)
For 
Now 
At 
Equation of Normal is
Now put y in equation (1)
Now 
Option (2)
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