Inference / Conclusion :
1. First focal length of the convex lens (F1)........cm
2. Second focal length of the convex lens (F2) .......cm
From 1 and 2 above is the lens used in this experiment a symmetric lens? (yes / No ) If F1=F2 , then the lens is symmetric.
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Answer:
= (15+15+15) 15 am
3
f = (15+15+15
15cm
3
fi = F2
= Bo symmetric
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