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An angular magnification (magnifying power) of 30 X is desired using an objective of focal length 1.25 cm and an eye piece of focal length 5 cm. How will you set up the compound microscope ? |
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Answer» Solution :`m_(e)=1+25//5=6` `m_(0)=30//m_(e)=5` `m_(0)=v_(0)//-u_(0)v_(0)=-5u_(0)` `1//f_(0)=1//v_(0)-1//u_(0)f_(0)=-(5//6)u_(0)` `u_(0)=1.5 cm, v_(0)=7.5cm` `u_(e)=-4.17cm` Length of the TUBE `=u_(e)+v_(0)=11.67cm` |
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