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CBSE Class 12-science Answered

<p>derive mirror formula for a convex mirror.</p>
Asked by Shomyajit Misra Misra | 24 Apr, 2014, 07:07: PM
Expert Answer

Let AB be an object placed on the principal axis of a convex mirror of focal length f. u is the distance between the object and the mirror and v is the distance between the image and the mirror.

 

convex mirror formula

 

But DE = AB and when the aperture is very small EF = PF.

 Equation (2) becomes

 From equations (1) and (3) we get

[PF = f, PB1 = v, PB = u, PC = 2f]

Dividing both sides of the equation (4) by uvf we get

Answered by | 25 Apr, 2014, 09:21: AM
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