An object of height 4 cm is placed at a distance of 80 cm from the convex lens if a virtual image of height 20 cm is obtained find the distance of the image from the lens and the focal length of the lens
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Answered by
1
Answer:
Focal length 100cm
Image distance - 400cm
Answered by
3
Answer:
Take u=-80
hi=20cm
ho=4cm
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