Math, asked by ronitkarande, 11 months ago

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

Answers

Answered by ravi6488
1

Answer:

Focal length 100cm

Image distance - 400cm

Answered by tanishtha99
3

Answer:

Take u=-80

hi=20cm

ho=4cm

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