Question

Explain the following terms for a convex lens a 1 ) principal axis 2)center of curvature 3) principal force 4) Force length 5) Aperture​

Answer 1

Answer:

PRINCIPAL AXIS is a certain line in a Euclidean space associated with an ellipsoid or hyperboloid, generalizing the major and minor axes of an ellipse or hyperbola.

center of curvature

The centre of a circle which passes through a curve at a given point and has the same tangent and curvature at that point

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The force-length relationship describes the dependence of the steady-state isometric force of a muscle

Aperture refers to the opening of a lens's diaphragm through which light passes. ..

Answer 2

Question:- Explain the following terms for a convex lens:

1. Principal Axis:- Principal Axis is a straight line joining the pole of the mirror to it's centre of curvature.
2. Centre of Curvature:- The Centre of Curvature of a mirror is the centre of the sphere of which the mirror is a part.
3. Principal Focus:- A principle focus of a convex lens is defined as the point on the principal axis on which the light rays coming parallel to the principal axis converge after getting refracted from the convex lens.
4. Focal length:- The distance of the focus from the pole of the mirror is called the focal length of the mirror.
5. Aperture:- The area of a convex mirror that is exposed to incident light is called the aperture.

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