Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The length of the normal chord to the parabola 
, which subtends right angle at the vertex is
A
B
C
2
D
1
Text Solution
Verified by ExpertsThe correct answer is:
A
Normal at 
on the parabola 
.....(i)
Meets it again at the point 
,
where 
.....(ii)
If 
subtends a right angle at the vertex (0, 0) then (Slope of OP ) (Slope of 
.....(iii)
From (ii) and (iii), 
= 2 
; 
and 
are 
and 
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