What Is Wrong with Water Barometers?

• Autores: Dan M. Sullivan, Robert W. Smith, E.J. Kemnitz, Kevin Barton, Robert M. Graham, Raymond A. Guenther, Larry Webber
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 48, Nº. 3, 2010, págs. 191-193
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Every student who studies atmospheric pressure in physics or chemistry learns the principles behind the construction of barometers. Cistern barometers, such as those found in most laboratories, consist of a long glass tube containing an inverted column of liquid having an open end in a cistern of the liquid. Students learn that the column of liquid is supported by air pressure and is equal in weight to a column of air of the same diameter.