Question

please answer correctly if you dont know the answer than please dont spam unnecessarily just for the sake of points this is an educational site
hope you understand
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Answer 1

Answer:

number 1

Explanation:

because it is concave lens

Answer 2

Answer:

please answer correctly if you dont know the answer than please dont spam unnecessarily just for the sake of points this is an educational site

hope you understand

please answer correctly if you dont know the answer than please dont spam unnecessarily just for the sake of points this is an educational site

hope you understand

please answer correctly if you dont know the answer than please dont spam unnecessarily just for the sake of points this is an educational site

hope you understand

Explanation:

sorry for spamming I want help