Physics, asked by patilwithgirl, 4 months ago

Advanced glass double convex lens designed to reduce spiracle aberration has |R1| |R2|=1:5.If a point object is kept at 15 cm in front this lens , it's produces a real image at 7.5CM. Then f is
a)+5cm
b)-5cm
c)+7cm
d)-7cm

please explain

Answers

Answered by abiya08

1

Answer:

Explanation:

it is

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