Jaantusyada miisaanka ee muraayadaha convex
Cashar 14 / 27
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Natiijada casharka
I can describe uses of convex lenses and draw scale ray diagrams to determine the position of an image.
Muuji qoraalka
In cameras and the human eye, the required image distance < the object distance. The image is diminished and inverted.
In projectors, the required image distance > the object distance. The image is magnified and inverted.
A ray incident on a convex lens parallel to the principal axis is refracted to pass through principal focus.
A ray incident on the centre of a convex lens is not refracted.
A ray incident on a convex lens from the principal focus is refracted so it becomes parallel to the principal axis.
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Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.
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