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- If the distance from the focus is 2 mm a...

Q. |
## If the distance from the focus is 2 mm and the distance from the directrix is 0.5 mm then what is the value of eccentricity? |

A. | 0.4 |

B. | 4 |

C. | 0.04 |

D. | 40 |

Answer» B. 4 | |

Explanation: eccentricity is defined as the ratio of the distance from the focus to the distance from the directrix and it is denoted by e. therefore, by definition, e = 2 ÷ 0.5 = 4. hence the conic section is called as hyperbola. |

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