<p>&Tau;&omicron; &epsilon;&kappa;&pi;&alpha;&iota;&delta;&epsilon;&upsilon;&tau;&iota;&kappa;ό &sigma;&epsilon;&nu;ά&rho;&iota;&omicron; &alpha;&phi;&omicron;&rho;ά &tau;&iota;&sigmaf; &alpha;&lambda;&lambda;&alpha;&gamma;έ&sigmaf; &sigma;&tau;&eta; &phi;ά&sigma;&eta; &tau;&omicron;&upsilon; &nu;&epsilon;&rho;&omicron;ύ.&nbsp;&Alpha;&nu;&alpha;&phi;έ&rho;&epsilon;&tau;&alpha;&iota;&nbsp;&sigma;&tau;&alpha; &phi;&alpha;&iota;&nu;ό&mu;&epsilon;&nu;&alpha; &tau;&eta;&sigmaf; &tau;ή&xi;&eta;&sigmaf;, &pi;ή&xi;&eta;&sigmaf;, &epsilon;&xi;ά&tau;&mu;&iota;&sigma;&eta;&sigmaf;, &tau;&omicron;&upsilon; &beta;&rho;&alpha;&sigma;&mu;&omicron;ύ &kappa;&alpha;&iota; &tau;&eta;&sigmaf; &upsilon;&gamma;&rho;&omicron;&pi;&omicron;ί&eta;&sigma;&eta;&sigmaf; &tau;&omicron;&upsilon; &nu;&epsilon;&rho;&omicron;ύ. &Alpha;&pi;&epsilon;&upsilon;&theta;ύ&nu;&epsilon;&tau;&alpha;&iota; &sigma;&tau;&omicron;&upsilon;&sigmaf; &mu;&alpha;&theta;&eta;&tau;έ&sigmaf; &tau;&eta;&sigmaf; &Epsilon;&#39; &Delta;&eta;&mu;&omicron;&tau;&iota;&kappa;&omicron;ύ, &omicron;&iota; &omicron;&pi;&omicron;ί&omicron;&iota; έ&rho;&chi;&omicron;&nu;&tau;&alpha;&iota; &sigma;&epsilon; &epsilon;&pi;&alpha;&phi;ή &mu;&epsilon; &tau;&alpha; &phi;&alpha;&iota;&nu;ό&mu;&epsilon;&nu;&alpha; &alpha;&upsilon;&tau;ά &kappa;&alpha;&tau;ά &tau;&eta;&nu; &epsilon;&nu;&alpha;&sigma;&chi;ό&lambda;&eta;&sigma;ή &tau;&omicron;&upsilon;&sigmaf; &mu;&epsilon; &tau;&omicron; 5&omicron; &Kappa;&epsilon;&phi;ά&lambda;&alpha;&iota;&omicron; &quot;&Theta;&epsilon;&rho;&mu;ό&tau;&eta;&tau;&alpha;&quot; (<a href="http://ebooks.edu.gr/ebooks/v/html/8547/2190/Fysika_E-Dimotikou_html-empl/index_5.html">http://ebooks.edu.gr/ebooks/v/html/8547/2190/Fysika_E-Dimotikou_html-empl/index_5.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; &eta; &kappa;&omicron;&iota;&nu;&omega;&nu;&iota;&omicron;&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; &epsilon;ί&nu;&alpha;&iota; &eta; &kappa;&alpha;&theta;&omicron;&delta;&eta;&gamma;&omicron;ύ&mu;&epsilon;&nu;&eta; &alpha;&nu;&alpha;&kappa;&alpha;&lambda;&upsilon;&pi;&tau;&iota;&kappa;ή &mu;ά&theta;&eta;&sigma;&eta;. &Alpha;&xi;&iota;&omicron;&pi;&omicron;&iota;&omicron;ύ&nu;&tau;&alpha;&iota; &omega;&sigmaf; &psi;&eta;&phi;&iota;&alpha;&kappa;ά &mu;&alpha;&theta;&eta;&sigma;&iota;&alpha;&kappa;ά &alpha;&nu;&tau;&iota;&kappa;&epsilon;ί&mu;&epsilon;&nu;&alpha;&nbsp; &alpha;) &quot;&Theta;&epsilon;&rho;&mu;&alpha;ί&nu;&omicron;&nu;&tau;&alpha;&sigmaf; &kappa;&alpha;&iota; &psi;ύ&chi;&omicron;&nu;&tau;&alpha;&sigmaf; &tau;&omicron; &nu;&epsilon;&rho;ό&quot; (&nbsp;<a href="https://photodentro.edu.gr/v/item/ds/8521/3617">https://photodentro.edu.gr/v/item/ds/8521/3617</a>&nbsp;) &kappa;&alpha;&iota; &beta;)&quot; &Omicron;&iota; &phi;ά&sigma;&epsilon;&iota;&sigmaf; &tau;&omicron;&upsilon; &nu;&epsilon;&rho;&omicron;ύ&quot; (&nbsp;<a href="http://photodentro.edu.gr/aggregator/lo/photodentro-lor-8521-6182">http://photodentro.edu.gr/aggregator/lo/photodentro-lor-8521-6182</a>&nbsp;) &tau;&alpha; &omicron;&pi;&omicron;ί&alpha; &alpha;&pi;&omicron;&tau;&epsilon;&lambda;&omicron;ύ&nu; &delta;&upsilon;&nu;&alpha;&mu;&iota;&kappa;έ&sigmaf; &omicron;&pi;&tau;&iota;&kappa;έ&sigmaf; &alpha;&nu;&alpha;&pi;&alpha;&rho;&alpha;&sigma;&tau;ά&sigma;&epsilon;&iota;&sigmaf; &kappa;&alpha;&iota; &pi;&rho;&omicron;&sigma;&omicron;&mu;&omicron;&iota;ώ&sigma;&epsilon;&iota;&sigmaf;.</p>