Question

Inference / Conclusion:
1. First focal length of the convex lens (F.) ............cm
2. Second focal length of the convex lens (F,)............cm
3. From 1 and 2 above, is the lens used in this experiment a symmetric lens? (Yes/No)
IF F = F, then the lens is symmetric.
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Answer 1

Explanation:

3 .It is symmetric lens

For question number 1 and 2 there is insufficient data is given so, we can't find focal length.

It is a practical question.....

Answer 2

Answer:

hope my attachment answer is correct