The point (1, 2) is one extremity of focal chord of parabola $y^{2} = 4 x$ . The length of this focal chord is

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

none of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 4

The parabola $y^{2} = 4 x$ , here a = 1 and focus is (1, 0)
The focal chord is ASB. This is clearly latus rectum of parabola, its value = 4

Suggest Corrections

Similar questions

(1, 2)

y^{2} = 4 x

(1, 2)

y^{2} = 4 x

y^{2} = 4 x

One extremity of a focal chord of the parabola $y^{2} = 16 x$ is A(1,4). Then the length of the focal chord at A is

y^{2} = 4 a x

Join BYJU'S Learning Program