when an object is placed at a distance of 60 cm a real image is formed at 10 cm from other side of the lens. find the focal length
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Answer:
Just use the lens formula.
1/f = 1/60+1/40 = 10/240 = 1/24
So the focal length is 24cm
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aishuaiswarya2005:
lens formula is 1/f= 1/v-1/u r8??
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