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A convex lens of focal length 10 cm is palced at a distance of 12 cm from a wall. Calculate the distance from the lens where an object can be placed so as to form its distinct real image on the wall. |
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Answer» SOLUTION :`v=+12cm, f=+10cm` `1/v-1/u=1/fimplies1/12-1/u=1/10` `u=-60cm` |
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