You place a 5.43-mm-high diamond on the axis of and 10.5 cm from a lens with foc

Question

You place a 5.43-mm-high diamond on the axis of and 10.5 cm from a lens with focal length –5.63 cm. If it can be determined, is the diamond's image real or virtual?

Map Sapling Learning You place a 5.43-mm-high diamond on the axis of and 10.5 cm from a lens with focal length 5.63 cm. If it can be determined, is the diamond's image real or virtual? O Virtual Incorrect. Real You might have an error in calculating the O Cannot be determined mage distance or you need to review the sign convention for image How high is the image (expressed as a positive quantitiy)? Number 1.97 mm If it can be determined, is the image upright or inverted with respect to the real thing O Upright o Inverted O Cannot be determined

Explanation / Answer

the image formed due to concave lens is virtual

1 / f = 1 / do + 1 / di

- 1 / 5.63 = 1 / 10.5 + 1 / di

di = - 3.66 cm

m = - di / do = h ' / h

h ' = - ( - di / do ) h

= - ( - 3.66 / 10.5 ) X 5.43

h ' = 1.89 mm

the image is erect or upright

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