How will you find the net focal lenght of a combination of lenses whose focal length are 15 and - 5 cm respectively
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Answered by
2
1/f=1/f1+1/f2
So,1/15+(1/-5)=
-2/15 =-0.133cm
So,1/15+(1/-5)=
-2/15 =-0.133cm
Answered by
3
hey bro here's your answer
total power is -40/3 D
1/f = 1/f1 + 1/f2
total focal is -15/2 cm
plzzzz...mark it as a brainlist..
total power is -40/3 D
1/f = 1/f1 + 1/f2
total focal is -15/2 cm
plzzzz...mark it as a brainlist..
ashita24:
1st thing i am not Bro i am sis
ohh sorry for that
i m not read your name
You should be sorry
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