Focal Length 2 in Lenses and Refraction Formulas

Focal Length 2 is the distance between the vertex of a lens and its focal point, which is the point where parallel rays of light converge after passing through the lens. And is denoted by f₂. Focal Length 2 is usually measured using the Meter for Length. Note that the value of Focal Length 2 is always negative.

Lenses and Refraction formulas that make use of Focal Length 2

fxFocal Length using Distance FormulaGo

FAQ

What is the Focal Length 2?

Focal Length 2 is the distance between the vertex of a lens and its focal point, which is the point where parallel rays of light converge after passing through the lens. Focal Length 2 is usually measured using the Meter for Length. Note that the value of Focal Length 2 is always negative.

Can the Focal Length 2 be negative?

Yes, the Focal Length 2, measured in Length can be negative.

What unit is used to measure Focal Length 2?

Focal Length 2 is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Focal Length 2 can be measured.

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