question_answer

The number of normals drawn to the parabola \[{{y}^{2}}=4x\]from the point (1, 0) is

A)  0                                            

B)  1

C)  2

D)                                         3

Correct Answer: B

Solution :

Given curve is\[{{y}^{2}}=4x\]. Also, point (1, 0) is the focus of the parabola. It is clear from the graph that only one normal is possible.