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An ellipse has OB as semiminor axis, F a...

An ellipse has OB as semiminor axis, F and `F^'` its focii and the angle `FBF^(')` is a right angle. Then the eccentricity of the ellipse is

A

`1//sqrt(2)`

B

`1//2`

C

`1//4`

D

`1//sqrt(3)`

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DIPTI PUBLICATION ( AP EAMET)-ELLIPSE-EXERCISE 1A
  1. In an ellipse the distance between the foci is 6 and it's minor axis i...

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  2. S and T are the foci of an ellipse and B is one end of the minor axis....

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  3. An ellipse has OB as semiminor axis, F and F^' its focii and the angle...

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  4. The minor axis forms an equialteral triangle with vertex at the end of...

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  5. A circle is described with minor axis of an ellipse as a diameter. If ...

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  6. The circle on SS^' as diameter intersects the ellipse in real points t...

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  7. If the minor axis of an ellipse subtends an angle 60^(@) at each focus...

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  8. The distance between the focii is equal to the minor axis of an ellips...

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  9. The circle on SS^' as diameter intersects the ellipse in real points t...

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  10. Let S, S^(') are the focii and BB^(') be the minor axis of an ellipse....

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  11. LL^(') is the latusrectum of an ellipse and DeltaSLL^(') is an equilat...

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  12. The latus rectum LL^(') subtends a right angle at the centre of the el...

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  13. If (5, 12) and (24, 7) are the focii of conic passing through (0, 0), ...

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  14. An ellipse passing through (4sqrt(2), 2sqrt(6)) has foci at (-4, 0) a...

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  15. The eccentricity of the ellipse which meets the straight line x//7+y//...

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  16. The equations of the directrices of the ellipse 25x^(2)+9y^(2)-150x-90...

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  17. The equations of the latus recta of the ellipse 9x^(2) + 25y^(2) - 36x...

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  18. Equations of the latus recta of the ellipse 9x^(2)+4y^(2)-18x-8y-23=0 ...

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  19. The equation of the axes of the ellipse 25x^(2)+9y^(2)-150x-90y+225=0 ...

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  20. If P is a point on the ellipse x^(2)/a^(2)+y^(2)/b^(2)=1 whose foci ar...

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