Consider a ray of light AB, parallel to the principal axis, incident on a spherical mirror at point B. The normal to the surface at point B is CB and CP = CB = R, is the radius of curvature. The ray AB, after reflection from mirror will pass through F (concave mirror) or will appear to diverge from F (convex mirror) and obeys law of reflection, i.e., i = r.
From the geometry of the figure,
If the aperture of the mirror is small, B lies close to P, BF = PF
or FC = FP = PF
or PC = PF + FC = PF + PF
or R = 2 PF = 2f
or F=R/2
or 2F=R
Hope this helps............
This involves the rate of change of the unit tangent vector. Deriving the curvature starts with the equation of a circle. Then three equations that force the collocation circle to go through the three points and on the curve must be written down. Then solve for a, b, and r.
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The noun forms of the verb to derive are deriver, derivation, derivative, and the gerund, deriving.
The mathematician spent all day trying to derive the complex formula.
Here is the derivation on dsplog: http://www.dsplog.com/2008/07/17/derive-pdf-rayleigh-random-variable/
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1 coulomb= 3*109 statcoulomb
s=b/a for n port network in matrix form[b]=[s]*[a].there is also relation between z matrix in s matrix.
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This involves the rate of change of the unit tangent vector. Deriving the curvature starts with the equation of a circle. Then three equations that force the collocation circle to go through the three points and on the curve must be written down. Then solve for a, b, and r.
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2^(n^2+n)/2 is the number of symmetric relations on a set of n elements.
Derive the castiglino's theorem
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No, the French language does not derive from Spanish. Both languages are members of the Romance language family, which evolved from Latin, but they developed separately and have their own distinct histories and linguistic characteristics.