Question

Second Focal length of the given convex lens (F²) = _ cm.

Average focal length of the given convex lens ( F ) = _ cm.

F ¹ _ F ² ( ^,=^).

The convex lens used in this Experiment is _ .

please please follow me and like me. ​

Answer 1

Answer:

f will be less than f1​

Explanation

f1​=F1​1​+F2​1​

f1​1​=F1​1​+F2​1​−F1​F2​d​

where d is the distance between lenses.

Explanation: