Question

please tell me correct answer. don't spam​

Answer 1

Answer:

1) don't they?

2) wouldn't he?

4) didn't I?

5) aren't they?

6) didn't you?

8) won't they?

Answer 2

Answer:

A converging lens is said to have positive focal length. A converging lens causes exiting rays to be more convergent coming out than they were entering the lens. A diverging lens is said to have negative focal length.