Physics, asked by gurmeet19, 11 months ago

two lenses of power minus 2.0 D and + 1.5 D are combined together What is the focal length of the combination

Answers

Answered by hafishaik231

0

Answer:

power combination is 2+1.5

i.e 3.5. combination f=1/3.5

hope it helps

Previous Question

Next Question

Similar questions

Math, 5 months ago

What are the contributions made by the great mathematician S.S. Ramanujan?? Pls answer quickly...

Hindi, 5 months ago

kalpna chawla kon thii ? explain in hindi...

Physics, 5 months ago

write the magnitude of work done by a force when the angle between direction of displacement and direction of force is theta. PLZZ help me fast!!

Science, 11 months ago

xylem and phenom are. the example of ...

Math, 11 months ago

smallest number which when devided by 6,15 and 18 givr reminder as 5 each...

English, 1 year ago

Rearrange:-a library/for pleasure/the/encourage/aim of/reading/is to...

Social Sciences, 1 year ago

write short notes on :-kulaks,duma,liberals,women workers between 1900 and 1930,stalin's collectvisation program.

Math, 1 year ago

the parallel sides of the trapezium are 25cm and11cm, while its nonparallel sides are 15cm and13cm. find the area of the tapezium...