magnification produced by a spherical mirror is +4.
identify the mirror
If the position of the object for the
given magnification is 20 cm then
find the focal length?
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We know that linear magnification of a convex mirror is always +ive , the given magnification is -ive so
(1) It is a concave mirror
(2) Image is inverted
(3) Image is real
(4)As magnification =−3 ,which is greater than 1therefore image is enlarged .
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