A 5cm tall object is placed perpendicular to principal axis of convex lens of focal length 20cm. the distance of object from lens is 30 cm find distance of image (v)
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A 5cm tall object is placed perpendicular to principal axis of convex lens of focal length 20cm. the distance of object from lens is 30 cm find distance of image (v)
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Answer:
v = -60
Explanation:
1/u - 1/v = 1/f
1/30 - 1/v = 1/20
1/30 - 1/20 = 1/v
- 1/60 = 1/v
v = -60