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Hace 6 días · Ciudad de México, a 8 de febrero de 2017 (CONADE).- En el marco de la celebración del Día Internacional de la Mujer, la Comisión Nacional de Cultura Física y Deporte (CONADE) resalta el papel que ha desempeñado una gran deportista a nivel nacional e internacional, alguien que ha puesto el nombre de México muy en alto, ella es Paola Longoria López, la “Reina del Raquetbol”.
Hace 2 días · Ve Elizabeth Cadie (1893–1956), U.S. – heat insulating handle for small home appliances; Herminie Cadolle (1845–1926), France – modern brassiere; Robert Cailliau (born 1947), Belgium – with Tim Berners-Lee, the World Wide Web
Hace 5 días · At that time, Cassini executed a deflection maneuver to enable it to fly by Titan at an altitude of 60,000 km and positioning it to receive transmissions from Huygens as it entered Titan's atmosphere, some 2.1 hours prior to Cassini's closest approach. Huygens landed on Titan on 14 January 2005.
Hace 2 días · In his 1698 book, Cosmotheoros, Christiaan Huygens estimated the distance to Sirius at 27,664 times the distance from the Earth to the Sun (about 0.437 light-year, translating to a parallax of roughly 7.5 arcseconds).
Hace 5 días · Huygens’s principle, in optics, a statement that all points of a wave front of light in a vacuum or transparent medium may be regarded as new sources of wavelets that expand in every direction at a rate depending on their velocities. it is a powerful method for studying various optical phenomena.
Hace 4 días · Since, the photoelectric effect is caused by the particle's nature of light, therefore, Huygens' theory fails to explain it. Remaining four phenomena i.e., diffraction, interference, polarization and propagation are all based on the wave nature of light. Thus, can easily be explained by Huygens’ theory. The correct option is C.
Hace 5 días · On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygen’s principle leads us to conclude that as it travels the light beam(A) bec...
