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a positive lens has a focal length of 8cm. An object is located 24cm from the...

a positive lens has a focal length of 8cm. An object is located 24cm from the lens. how far from the lens is the image and is the image real or virtual, upright or inverted?

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Answer #1

1/f=1/d1+1/d2

1/8=1/24+1/d2

1/d2=1/8-1/24

=1/12

hence d2=12 cm

the image is real and inverted

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