Optics

Asked by  | 17th Jan, 2010, 09:16: PM

Expert Answer:

1/fL = (μ-1)(1/infinity - 1/-R)

fL = focal length of lens.

1/fM = 2/R

Hence the total focal length,

1/f = 1/fL + 1/fM + 1/fL = -R/2μ

R = 2μf = 2(7/4)(0.3) = 1.05 m

Regards,

Team,

TopperLearning.

Answered by  | 18th Jan, 2010, 10:29: AM

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