Question

Mathematical Derivation of mirror formula?​

Answer 1

The derivation of mirror formula is given below. ... From the figure given above, it is obvious that the object AB is placed at a distance of U from P which is the pole of the mirror. From the diagram we can also say that the image A1B1 is formed at V from the mirror.

Answer 2

(1 / f) = (1 / v) - (1 / u) Mirror formula: (1 / f) = (1 / v) + (1 / u)

Mirror formula is the relationship between object distance (u), image distance (v) and focal length.

1/v + 1/u = 1/f. Here f is +ve, u is -ve. v is positive. To know the speeds of the image, differentiate wrt time.

$Priydarshani$

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