Question

focal length of a concex lens is always ​

Answer 1

Answer:

NEGATIVE

Explanation:

20 THANKS = INBOX

Answer 2

Answer:

negative

Explanation:

In convex lens , the parallel beam of light traveling parallel to the principal axis actually meets the point . The focus is called real focus and it's focal length is negative .

I hope this answer was helpful if yes then please mark this answer in BRAINLEIST so that I can follow you and answer other questions ☺️☺️☺️☺️