physics question dealing with reflection?
2018-03-20 10:40 am
A basketball player of height 2.20 m is standing 3.20 m in front of a convex spherical mirror of radius of curvature 5.00 m. Determine the size of the image.
回答 (1)
2018-03-20 5:22 pm
✔ 最佳答案
u = 3.20 mf = -5.00/2 m = -2.50 m
(1/u) + (1/v) = (1/f)
(1/3.20) + (1/v) = -(1/2.50)
(1/v) = -(1/2.50) - (1/3.20)
v = -1.40
Size of image = (2.20 m) × |v/u| = 2.20 × (1.40/3.20) m = 0.963 m
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https://hk.answers.yahoo.com/question/index?qid=20180320024057AAaBOTm