Question

what do you understand by the focus of a lens? how will you find the focus of a convex lens​

Answer 1

Answer:

In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge.

Answer 2

QUESTION

what do you understand by the focus of a lens?

Answer:

In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. ... A principal focus or focal point is a special focus: For a lens, or a spherical or parabolic mirror, it is a point onto which collimated light parallel to the axis is focused.

QUESTION

how will you find the focus of a convex lens

ANSWER

The principal focus on a convex lense, is where all the light that passes through the lense is refracted to a single point. The distance between the lense and the principal focus is what they call the focal length.

Explanation:

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