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Yes, "focal" means related to or located at a focus point, while "focal" refers to a lens or point where parallel rays of light meet. Both words have a similar meaning in the context of focus.

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1y ago

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What is focal intra-alveolar?

Intra-alveolar means between the alveoli. Focal means within a limited area. There are both adjectives and the phrase is missing a noun. (In other words, focal intra-alveolar...what?)


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In a focal length calculator, the field of view (FOV) and focal length have an inverse relationship. This means that as the focal length increases, the field of view decreases, and vice versa.


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The focal point of a convex mirror is located behind the mirror, which means it is a virtual focal point. Light rays that are parallel to the mirror's principal axis will appear to diverge from the virtual focal point after reflection.


What is the relationship between focal length and magnification in photography?

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What is the relationship between the focal length and magnification of a lens?

The relationship between the focal length and magnification of a lens is inversely proportional. This means that as the focal length of a lens increases, the magnification decreases, and vice versa.


What is the relationship between focal length and magnification in optical systems?

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When curvature lens is bigger what happens to the focal point?

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What is intra-alveolar?

Intra-alveolar means between the alveoli. Focal means within a limited area. There are both adjectives and the phrase is missing a noun. (In other words, focal intra-alveolar...what?)


Why does the focal length of a mirror not depend on the mirror material when the focal length of a lens does depend on the lens material?

The focal length for a mirror is determined by the law of reflection from the mirror surface. This law is not governed by the material that the mirror is made by. This means that the focal length depends only on the radius and curvature. Conversely, the focal length of a lens depends on the indices of refraction of the lens meterial and the surrounding medium.


WHAT HAPPENS TO THE FOCAL LENGTH OF A CONCAVE MIRROR AS THE CURVATURE OF THE MIRROR IS INCREASED?

As the curvature of a concave mirror is increased, the focal length decreases. This means that the mirror will converge light rays to a focal point at a shorter distance from the mirror. The mirror will have a stronger focusing ability.