what is the relationship between the radius of curvature and focal length of a spherical mirror
Answers
Answer:
Focal length of the spherical mirror js equal to half of the radius of the curvature of the spherical mirror. r is radius of curvature. What is the distance between an object and its real image in the case of a convex mirror? An object is 30 cm from a convex mirror and forms a upright image.
Explanation:
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Answer:
radius of curvature = 2 times focal length
Explanation:
in most cases this is not exactly accurate, slight variation may occur, but generally all the rays that hit the surface of a spherical mirror whether convex or concave, will converge [ or appear to converge ] at the point called focus.. the way a spherical mirror is designed makes it such that the focal length is approximately two times that of radius of curvature..
for most calculation we do not mind the variations and use the general relation:
r=2f
where r--- radius of curvature
and f---- focal length
hope this helps...