Physics, asked by Hari4416, 9 months ago

Two convex lens of focal length 20cm and 30cm are kept in contact with each other find the power of there contribution

Answers

Answered by indrejitskater11
2

Answer:

very ez

Explanation:

so follow me so first the formula is 100/F1 plus 100/F2 is equal to 100/total focal length so when you use the formula you will get 0.12 Dioptre

Similar questions