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An object is located near a mirror. (If it is a spherical mirror, then the focal

ID: 1572126 • Letter: A

Question

An object is located near a mirror. (If it is a spherical mirror, then the focal length has a magnitude of |f|.) Below, s refers to the object distance. Based on each description of the image formed, determine the type of mirror and how far the object is (more than one answer may be correct). If the image is real and reduced, then the mirror is concave and s > |f| the mirror is concave and s |f| the mirror is convex and s |f| the mirror is concave and s |f| the mirror is convex and s |f| the mirror is concave and s |f| the mirror is convex and s |f| the mirror is concave and s |f| the mirror is convex and s

Explanation / Answer

convex mirror always forms virtual and reduced image.

concave mirror always forms real image except when the object is between focus and pole.

so

a) the mirror is concave and s>f

b)the mirror is convex and s>f

c)the mirror is concave and s<f

d)it is possible in plane mirror only

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