The diagram below shows image formation A'B' of an object AB kept between
pole (P) and Focus (F) in a spherical mirror MM'.
identify the spherical mirror used and state the focal length of the spherical mirror.
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Answer:
this is a concave mirror.
we know that the focal length is equal to the half of the radius of curvature.
f = R/2
=-17/2
=-8.5
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