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Use the Formula 1f=1s0+1si\frac { 1 } { f } = \frac { 1 } { s _ { 0 } } + \frac { 1 } { s _ { i } }

Question 242

Multiple Choice

Use the formula 1f=1s0+1si\frac { 1 } { f } = \frac { 1 } { s _ { 0 } } + \frac { 1 } { s _ { i } } . Given f = 13 cm and SiS _ { i } = 22 cm, find s0s 0 .


A) s0=31.8s _ { 0 } = 31.8 cm
B) s0=44.8s _ { 0 } = 44.8 cm
C) s0=20.7s _ { 0 } = 20.7 cm
D) s0=62.3s _ { 0 } = 62.3 cm
E) s0=29.6s _ { 0 } = 29.6 cm

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