CBSE BOARD X, asked by nehaelza, 1 day ago

If f1 and f2 are the focal length of two lenses, what is the relation for equivalent focal length?

Attachments:

Answers

Answered by shayandhaytham

2

the relationship is

1/F=1/f1+1/f2

f1+f2/f1×f2

so option d is correct

Previous Question

Next Question

Similar questions

English, 17 hours ago

Find the value of the soil obtained by resolving the cordoned aur brother a 1 - cos theta about the initial line...

Math, 17 hours ago

2.9(bar), Express it in rational form...

English, 17 hours ago

. The team had won the game. (Active) The game had been won by the team. (Passive) (State whether the change of voice is used correctly in the sentence) a. correct b. incorrect c. voice can‟t be changed d. can‟t say...

Science, 1 day ago

PLEASE ANSWER me I WILL MARK you as BRAINLIST...

Social Sciences, 1 day ago

Mountains do not have a unifoem kind of vegetation...

India Languages, 8 months ago

ma kha rahi hu convert into Sanskrit sentence ...

Social Sciences, 8 months ago

why is it necessary to have a goverment...

History, 8 months ago

What is called Ape?