Solve this:

Dear Student,

Kindly check the link for the questions numbers 6 & 2 respectively.

https://www.meritnation.com/ask-answer/question/any-4-difference-between-concave-and-convex-mirror/light/10104992

https://www.meritnation.com/ask-answer/question/what-is-the-difference-between-concave-and-convex-lens-give/light/7102860

Regards