question_answer

The number of normal 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.