?PartB Constants What is the focal length of the lens? Express your answer using

Question

?PartB Constants What is the focal length of the lens? Express your answer using two significant figures (Figure 1) shows a small plant near a thin lens. The ray shown is one of the principal rays for the lens. Each square is 5.0 cm along the horizontel direction but the vertical direction is not to the same scale. Use information from the diagram to answer the following questions f= 4.0 Submit Incorrect; Try Again; 5 attempts remaining Part C Complete previous part(s) Part D Complete previous part(s Part E Calculate where the image should be Express your answer using two significant figures Figure 1 of 1 Optic cin Plant Lens Submit

Explanation / Answer

A. Focal length, f= (4 division) *( 5 cm)= 20 cm

B. f= 20 cm,

u= -30 cm

Using lens formula

(1/f)= (1/v)-(1/u)

1/20= 1/v-(-1/30)

v= 60 cm

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Comment in case any doubt..goodluck

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