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ciaotaylor
10.12.2020 •
Physics
Define power of lens. Derive the formula
for the effective power of
lenses in contact
power of two this
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Ответ:
The power of a lens is defined as the reciprocal of the focal length. ... Converging (convex ) lenses have positive focal lengths, so they also have positive power values. Diverging (concave ) lenses have negative focal lengths, so they also have negative power values.
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