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For a parabola the distance between the ...

For a parabola the distance between the focus and the directrix is equal to

A

a

B

4a

C

semilatus

D

none

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PARABOLA-EXERCISE 1 A
  1. If the ordinate of a point on the parabola y^(2)=4x is twic the latus ...

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  2. In the parabola y^(2)-2y+8x-23=0 the length of double ordinate at a di...

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  3. For a parabola the distance between the focus and the directrix is equ...

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  4. If (9,12) is one end of a double ordinate of the parabola y^(2)=16x th...

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  5. The focal distance of a point on the parabola y^(2)=8x whose focal dis...

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  6. The coordinates of the parabola y^(2)=2x whose focal distance is 5/2 a...

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  7. The point on the parabola y^(2)=36x whose ordinate is three times its ...

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  8. An equilateral is inscribed in the parabola y^(2)=8x with one of its v...

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  9. If Q is the foot of the perpendicular from a point p on the parabola y...

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  10. L and L are the ends of the latus rectum of the parabola x^(2)=6y. The...

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  11. The coordinates of an endpoint of the latusrectum of the parabola y^(2...

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  12. The angle subtended by the double ordinate of length 8a of the parabol...

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  13. If 2x+y+a=0 is a focal chord of the parabola y^(2)+8x=0 then a =

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  14. PQ is a double ordinate of the parabola y^(2)+4x . The locus of its po...

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  15. The ratio in which the line segment joining the points (4,-6) and (3,1...

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  16. The number of point of intersection of the circle x^(2)+y^(2)=2ax with...

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  17. If a ne0 and the line 2bx+3cy+4d =0 passes through the points of inter...

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  18. Which of the following equations represents a parabola

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  19. The equation of the tangent to the parabola y^(2)=12x at (3,-6) is

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  20. The equation of the tangent to the parabola x^(2)=4y at (-2,1) is

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