Question

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An concave fons prove (R = 2f)​

Answer 1

Answer:

R = 2PF. or R = 2f. Mirror formalae in spherical mirror: In the figure shown above, an object AB is placed at a distance u from the pole of the concave mirror of small aperture, just beyond the centre of curvature. Hence, its real, inverted and diminished image A'B' is formed at a distance v in front of the mirror.