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Are the reading glasses used by old people converging or diverging? Why?

Sagot :

Answer:

have positive refracting powers

Explanation:

Converging lenses, like those normally found in reading glasses, have positive refracting powers. Diverging lenses, like those worn by people with myopia or near-sightedness, have negative refracting powers. A flat piece of glass, which is essentially the same as no lens at all, has a power of zero.