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Answer to Question #297171 in Optics for Kell

Question #297171

An object of height 19.7 cm is placed 23.6 cm from a convex lens. What is the angular size of this object?

1
Expert's answer
2022-02-14T13:56:23-0500

Answer

Radius of lens

R=2f="2*23.6=47.2cm"

Height of object h = 19.7cm

So angular size of object

"=\\frac{Arc}{radius}\\\\=\\frac{19.7}{47.2}\\\\=0.42"


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