Question

. Define lens? Write an Expression for lens formula.
pls answer fastly​

Answer 1

Answer:

Explanation:

From the geometry of the figure above, right angled △ ABO and △ ABO are similar. Similarly, from the geometry of the figure above, right angled △ODF2 and △BAF2 are similar. This equation is called the 'Lens formula

Answer 2

Answer:

t/f = 1/v -1/u

djdhh

lens formula