Question 2 of 6 Map this sapling lear question was written by Sean Cordry at Wal

Question

Question 2 of 6 Map this sapling lear question was written by Sean Cordry at Walters State Community College saplina llearning A match is held a distance so-14.7 cm to the left of a lens. The corresponding image for the match is located at s 27.2 cm to the right of the lens (not pictured) Answer the two questions below, using three significant digits Part A: What is the value of the focal length () of the lens? Number cm Part B: What is the value of the magnificaiton (M) of this configuration? Number (Remember: the magnification could be either a positive or a negative number.) M- 0 Previous 0 Next Save And Exit |

Explanation / Answer

so =14.7 cm , si =27.2 cm

from lens formula (1/f) =(1/so) +(1/si)

(1/f) = (1/14.7) +(1/27.2)

f = 9.543 cm

Magnification M = - si/so

M = -27.2/14.7

M = -1.85

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