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STRUČNÁ HISTÓRIA MODERNEJ FYZIKY

STRUČNÁ HISTÓRIA MODERNEJ FYZIKY. PETER BALLO. KONIEC 19. STOROČIA. FYZIKA V ROKU 1895. Lord Kelvi n pravdepodobne najväčší fyzik svojej doby : Odporca existencie atómov “There is nothing new to be discovered in physics now. All that remains is more and more precise measurement."

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STRUČNÁ HISTÓRIA MODERNEJ FYZIKY

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  1. STRUČNÁ HISTÓRIA MODERNEJ FYZIKY PETER BALLO

  2. KONIEC 19. STOROČIA

  3. FYZIKA V ROKU 1895 • Lord Kelvin pravdepodobne najväčší fyzik svojej doby: • Odporca existencie atómov • “There is nothing new to be discovered in physics now. All that remains is more and more precise measurement." • Albert A Michleson Prvý Američan, ktorý dostal Nobelovu cenu • “The grand underlying principles have been firmly established...further truths of physics are to be looked for in the sixth place of decimals" (Science, 1892)

  4. Vodíkové spektrum: Balmer series Balmerovaformula: Skutočne to funguje!

  5. X lúče objavené1895 Roentgenom Obrovská senzácia! • J.J. Thomsonobjavil electronv roku 1897. • Henri Becquerel (1896) dokázal existenciu x-lúčov z prírodných zdrojov. • Marie Curie (1897) objav radiácie

  6. Žiarenie čierneho telesa Otto Lummer Ernst Pringsheim

  7. Spektrum žiarenia čierneho telesa

  8. o Data Theory Riešenie Maxa Plancka1900 • Planck’s constant, h = 6.626 (10-27) erg-sec.

  9. Elekróny Kladný náboj

  10. E=hf

  11. 4 3 2 1

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