pls tell fast very urgent
Attachments:
![](https://hi-static.z-dn.net/files/dbf/872b838c9134dffbfbea0506222ea380.jpg)
Answers
Answered by
0
Effective Focal length =
sum of the two focal length of 2 lens
= f + f = 2f
Answer = 2f
Plzz Mark this as BRAINLIEST.
Like it.
Follow me.
Similar questions