| Added | Mon, 17/10/2016 |
| Sources | |
| Феномены | |
| Version type |
Lens is the detail of transparent homogeneous material bounded by two polished refractive surfaces of rotation.
Reflector — in a broad sense the reflector. Lighting technology reflectors are used to change the directivity of the light source, creating a more directed light beam, for example, in projectors and lamps.
The lens and reflector to focus the Sun and ignite combustible materials, cause burns and burns. In life as such lenses there may be shards of glass, bottles with liquid (the closer to a spherical shape, the better are the properties of lenses), drops, Christmas decorations, etc.
Translated by «Yandex.Translator»
The use of lenses to change the shape of the wave front. Here a flat wavefront becomes spherical when passing through the lens
Translated by «Yandex.Translator»
Types of lenses:
Collecting:
1 — lenticular
2 — PLANO-convex
3 — concave-convex (positive (convex) meniscus)
Scattering:
4 — biconcave
5 — a plane-concave
6 — convex-concave (negative (concave) meniscus)
Translated by «Yandex.Translator»
The lantern glass focuses the sun's rays and burns the grass, following the movement of the sun
The snack bowl acted as a parabolic mirror and set the chips on fire
Posted by u/loafers_glory
Related facts
Fact #1499180377
Related news
London skyscraper that turned the nearby street into a hot frying pan, broke the record of the Valley of Death
Related articles
Log in or register to post comments
