a convex lens has a focal length of 40 cm calculate its power
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Answered by
17
So here's u r answer !
↪Focal length -> 40 cm
↪P = 1 / F (in m)
↪P = 1 / 0.4 m
↪P = + 2 . 5D
✌✌ hope you like my answer and it may help you ❤❤☺
↪Focal length -> 40 cm
↪P = 1 / F (in m)
↪P = 1 / 0.4 m
↪P = + 2 . 5D
✌✌ hope you like my answer and it may help you ❤❤☺
Answered by
10
ans..is in the attachment
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