結果 : focal length object distance formula
12:56

Thin lens equation and problem solving | Geometric optics | Physics | Khan Academy

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Thin Lens Formula part 3: Calculating Object Distance

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Working Distance and Focal Length Basics

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Rearrange Formula Focal Length Object Image Length Reciprocals

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Write the formula for a lens connnecting image distance (v), object distance (u)and the focal length

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