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ans is 20cm
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As image is double in size as compared to the object the distance = 20 CM.
let Size of object be x
distance = 2x
object = 10cm
2x=10
double of size= 10*2
= 20cm
let Size of object be x
distance = 2x
object = 10cm
2x=10
double of size= 10*2
= 20cm
janak5695:
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let the size of object =x
distance =2x
=2x*10
=2*10
=20
distance =2x
=2x*10
=2*10
=20
10 is the object
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