f

Definition : focal length
Category : Academic & Science » Physics
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What does f mean?

Focal length (f) is a measurement of an optical system's ability to converge or diverge light. It is the distance from the center of the lens to the point where the light rays come into sharp focus, called the focal plane.

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Frequently Asked Questions

What is the full form of f in Optics?

The full form of f is focal length

What are the full forms of f in Academic & Science?

Force | frequency | Fluorine | Fahrenheit | focal length | femto | Fail/Failure | Faraday constant | Helmholtz free energy

What are the full forms of f in Worldwide?

Force | frequency | Fluorine | Fahrenheit | focal length | femto | Fail/Failure | Faraday constant | Full | Helmholtz free energy | Female

Translation

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Citations Formatting rules vary by edition. Please verify against your required style manual.

APA Style

FullForms. (2026). f. FullForms.com. https://fullforms.com/f/full/25591

Chicago Style

FullForms. "f." Accessed June 4, 2026. https://fullforms.com/f/full/25591.

Harvard Style

FullForms (2026) 'f', FullForms.com. Available at: https://fullforms.com/f/full/25591 (Accessed: 04 June 2026).

MLA Style

"f." FullForms.com, 2026, https://fullforms.com/f/full/25591. Accessed 04 Jun. 2026.