FAQ

What is the Focal Length of Concave Lens?
Focal Length of Concave Lens is the distance between the center of the lens and the focal point, which is the point where parallel rays of light converge after passing through the lens. Focal Length of Concave Lens is usually measured using the Meter for Length. Note that the value of Focal Length of Concave Lens is always negative.
Can the Focal Length of Concave Lens be negative?
Yes, the Focal Length of Concave Lens, measured in Length can be negative.
What unit is used to measure Focal Length of Concave Lens?
Focal Length of Concave Lens is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Focal Length of Concave Lens can be measured.
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