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![[Post New]](/templates/default/images/icon_minipost_new.gif) 7 May 2008 11:11:29 IST
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I want to know the physical significance....( Not by the formula of eccentricity of ellipse...)
That is in terms of distance from focus and directrix.
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The key of success is not in being Master of all.
But Jack of few!! |
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7 May 2008 11:12:55 IST
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If i remember right this was a 2 hr discussion in our class..we didn't draw any concrete result .
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7 May 2008 11:19:17 IST
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wel, i think ellipse is a distorted (regular oval) circle and its degree is distortion is defined by its eccentricity. As e increases, its distortion (difference between minor & major axes) increases, or we say curve becomes highly elliptical. So, the least distortion will be for e=0 which is a circle.
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
    
<DIV ALIGN="right">Animated Letters</DIV></TD></TR></TABLE>
I am only one,
But still I am one.
I cannot do everything,
But still I can do something;
And because I cannot do everything
I will not refuse to do the something that I can do.
- Edward Everett Hale
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7 May 2008 12:02:09 IST
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no satisfactory answer is obtained till yet!!
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The key of success is not in being Master of all.
But Jack of few!! |
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7 May 2008 12:18:37 IST
Accepted Answer [?]
![[Up]](/templates/default/images/icon_up.gif)
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or take it this way...as the distortion increases, directrix comes nearer to the centre of ellipse...and as the distortion decreases , that is the ellipse becomes more circular, the directrix goes further apart from the centre.
For a circle, the directrix will be at infinite distance from the centre. Obvioustly distance of a point on the circle frm directrix is infinite while frm focus (which becomes the centre) is finite. So, eccentricity becomes zero.
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
<DIV ALIGN="right">Animated Letters</DIV></TD></TR></TABLE>
I am only one,
But still I am one.
I cannot do everything,
But still I can do something;
And because I cannot do everything
I will not refuse to do the something that I can do.
- Edward Everett Hale
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7 May 2008 12:23:13 IST
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liked it... perfect...
my vote to you!!
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The key of success is not in being Master of all.
But Jack of few!! |
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