Question

(2) Second Focal length of the given Convex lens ( F ²) = _ cm.

(3) Average Focal Length of the given contex lens (F) = _ cm.​

Answer 1

Answer:

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Answer 2

Answer:

f will be less than f

1

Explanation

f

1

=

F

1

1

+

F

2

1

f

1

1

=

F

1

1

+

F

2

1

−

F

1

F

2

d

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