How is the formation of images by Spherical Mirrors illustrated through Ray Diagrams?
Requirement: Image Localization with an Abundance of Emanating Rays: To construct the ray diagrams, in order to locate the image of an object using spherical mirrors, an arbitrarily large number of rays emanating from a point could be considered.
Dual Rays in Reflection: Mechanics of Image Formation: The intersection of at least two reflected rays gives the position of the image of the point object.
Guiding Rays: Image Formation with Spherical Mirrors: Any two of the following rays can be considered for locating the image.
(i) A ray parallel to the principal axis, after reflection, will pass through the principal focus in case of a concave mirror or appear to diverge from the principal focus in case of a convex mirror.
(ii) A ray passing through the principal focus of a concave mirror or a ray which is directed towards the principal focus of a convex mirror, after reflection, will emerge parallel to the principal axis.
(iii) A ray passing through the centre of curvature of a concave mirror or directed in the direction of the centre of curvature of a convex mirror, after reflection, is reflected back along the same path.
The light rays come back along the same path because the incident rays fall on the mirror along the normal to the reflecting surface.
(iv) A ray incident obliquely to the principal axis, towards a point P (pole of the mirror), on the concave mirror or a convex mirror is reflected obliquely.
The incident and reflected rays follow the laws of reflection at the point of incidence (point P), making equal angles with the principal axis.
In all the above cases the laws of reflection are followed.
At the point of incidence, the incident ray is reflected in such a way that the angle of reflection equals the angle of incidence.
Mirror Magic: Image Formation with Spherical Mirrors
Comprehensive coverage with a concise format Integration of PYQ within the booklet Designed as per recent trends of Prelims questions हिंदी में भी उपलब्ध
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Comprehensive coverage with a concise format Integration of PYQ within the booklet Designed as per recent trends of Prelims questions हिंदी में भी उपलब्ध
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