Physics, asked by nitinjpatel151pb2o0s, 1 year ago

two concave lens each of focal length 30cm are placed in contact what is the focal length of the compound lens

Answers

Answered by Anonymous

1

f1+f2/f1f2

30+30/30*30

60/900

1/15

Previous Question

Next Question

Similar questions

Math, 7 months ago

2x³+4/9x²-5x+√3 is a polynomial in x of degree...

Hindi, 7 months ago

व्यवहारिक शब्द में मूल शब्द क्या है...

Chemistry, 7 months ago

साधारण पानी के तुलना में खारे पानी में लोहे की जंग तेज होती है। ...

Science, 1 year ago

What is the action of sulphuric acid on litmus and why?

Math, 1 year ago

2 $2 \times 2$ ...

English, 1 year ago

It was a huge odil but quite fun.(begin Despite)...

Math, 1 year ago

plz answer the question...

Math, 1 year ago

a Tree is broken at a height of 8 m from the ground and it's too touches the ground at a distance of 15 m from the base of the tree. find the original height of the tree...