What is 'APERTURE' in mirror?
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The diameter of the reflecting surface of spherical Mirror
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an opening, hole, or gap.
"the bell ropes passed through apertures in the ceiling"
synonyms:opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice; More
a space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.
"a refracting telescope with an aperture of 3 inches"
"the bell ropes passed through apertures in the ceiling"
synonyms:opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice; More
a space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.
"a refracting telescope with an aperture of 3 inches"
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