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an optical instrument used for angular magnification has 25D objective and 20 D eye piece tube length is 25 cm when eye is relaxed angular magnification produced is

an optical instrument used for angular magnification has 25D objective and 20 D eye piece tube length is 25 cm when eye is relaxed angular magnification produced is

Grade:12th pass

1 Answers

Khimraj
3007 Points
2 years ago
m = -(vo/uo )*(D/fe)
m = -(20/-5)*(25/5)
= 20
Hope it clears............................................................

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