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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