<p>&Tau;&omicron; &sigma;&epsilon;&nu;ά&rho;&iota;&omicron; &sigma;&tau;&omicron;&chi;&epsilon;ύ&epsilon;&iota; &sigma;&tau;&eta; &delta;&iota;&epsilon;&rho;&epsilon;ύ&nu;&eta;&sigma;&eta; &tau;&eta;&sigmaf; &pi;&omicron;&rho;&epsilon;ί&alpha;&sigmaf; &tau;&omicron;&upsilon; &alpha;έ&rho;&alpha;, &alpha;&pi;ό &tau;&eta; &rho;&iota;&nu;&iota;&kappa;ή &kappa;&omicron;&iota;&lambda;ό&tau;&eta;&tau;&alpha; έ&omega;&sigmaf; &tau;&iota;&sigmaf; &pi;&nu;&epsilon;&upsilon;&mu;&omicron;&nu;&iota;&kappa;έ&sigmaf; &kappa;&upsilon;&psi;&epsilon;&lambda;ί&delta;&epsilon;&sigmaf;, &kappa;&alpha;&tau;ά &tau;&eta;&nu; &epsilon;&iota;&sigma;&pi;&nu;&omicron;ή.&nbsp;</p> <p>(<a href="http://ebooks.edu.gr/ebooks/v/html/8547/2011/Fysika_ST-Dimotikou_html-empl/index_7.html">http://ebooks.edu.gr/ebooks/v/html/8547/2011/Fysika_ST-Dimotikou_html-empl/index_7.html</a>)</p> <p>&Eta; &pi;&alpha;&iota;&delta;&alpha;&gamma;&omega;&gamma;&iota;&kappa;ή &pi;&rho;&omicron;&sigma;έ&gamma;&gamma;&iota;&sigma;&eta; &epsilon;ί&nu;&alpha;&iota; &gamma;&nu;&omega;&sigma;&tau;&iota;&kappa;ή &kappa;&alpha;&iota; &tau;&omicron; &delta;&iota;&delta;&alpha;&kappa;&tau;&iota;&kappa;ό &mu;&omicron;&nu;&tau;έ&lambda;&omicron; &eta; &delta;&iota;&epsilon;&rho;&epsilon;&upsilon;&nu;&eta;&tau;&iota;&kappa;ή &mu;ά&theta;&eta;&sigma;&eta;. &Tau;&omicron; &theta;έ&mu;&alpha; &mu;&epsilon;&lambda;&epsilon;&tau;ά&tau;&alpha;&iota; &mu;έ&sigma;&omega; &epsilon;&iota;&kappa;&omicron;&nu;&iota;&kappa;&omicron;ύ &pi;&alpha;&iota;&chi;&nu;&iota;&delta;&iota;&omicron;ύ. &Gamma;&iota;&alpha; &tau;&omicron; &sigma;&kappa;&omicron;&pi;ό &alpha;&upsilon;&tau;ό &alpha;&xi;&iota;&omicron;&pi;&omicron;&iota;&epsilon;ί&tau;&alpha;&iota; &tau;&omicron; &psi;&eta;&phi;&iota;&alpha;&kappa;ό &mu;&alpha;&theta;&eta;&sigma;&iota;&alpha;&kappa;ό &alpha;&nu;&tau;&iota;&kappa;&epsilon;ί&mu;&epsilon;&nu;&omicron; &laquo;&Eta; &alpha;&nu;&alpha;&pi;&nu;&omicron;ή&nbsp;&sigma;&tau;&omicron;&nu;&nbsp;ά&nu;&theta;&rho;&omega;&pi;&omicron; - &Eta; &pi;&omicron;&rho;&epsilon;ί&alpha; &tau;&omicron;&upsilon; &alpha;έ&rho;&alpha;&raquo;&nbsp;<a href="http://photodentro.edu.gr/lor/r/8521/4911?locale=el">http://photodentro.edu.gr/lor/r/8521/4911?locale=el</a>, &pi;&omicron;&upsilon; &alpha;&pi;&omicron;&tau;&epsilon;&lambda;&epsilon;ί &delta;&upsilon;&nu;&alpha;&mu;&iota;&kappa;ή &pi;&rho;&omicron;&sigma;&omicron;&mu;&omicron;ί&omega;&sigma;&eta;.&nbsp;</p>