Question

Explain the statement, the focal length of a converging lease is 20 cm

Answer 1

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That statement doesn’t need any explanation at all, to someone with even the slightest familiarity with optics and lenses. “Focal length” is a well-defined property of a lens, “converging” is a type of lens, 20 cm is just a length.

That statement doesn’t need any explanation at all, to someone with even the slightest familiarity with optics and lenses. “Focal length” is a well-defined property of a lens, “converging” is a type of lens, 20 cm is just a length.If you don’t understand one of these terms, ask a question about the term you don’t understand.

Answer 2

That statement doesn’t need any explanation at all, to someone with even the slightest familiarity with optics and lenses. “Focal length” is a well-defined property of a lens, “converging” is a type of lens, 20 cm is just a length.

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