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VI. QUESTIONS: 1-47.854 1. Using your experimental value of focal length, calculate the experimental value of the radius of t
III. Procedure: A person whose height ho = 1.8 m was standing at various distances (do) in front of a large convex security m
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Answer #1

Mean Focal length= (Sum of all the focal length)/No. of focal length.

f= ((-45.14)+(-45.57)+(-55.1)+(-58.26)+(-35.2))/5

f= (-239.27)/5 = -47.854 m

Radius of curvature= 2×focal length=2×(-47.854)

= -95.708 m

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