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Module Code: PASAY-S11/12-PS-S2-Q2-W6-D1 Name: ____________________________________________________ Track/Strand: _______________ Teacher: ___________________________________________________ Grade Level: _______________ DEPARTMENT OF EDUCATION- NATIONAL CAPITAL REGION SCHOOLS DIVISION OF PASAY CITY MODULE IN PHYSICAL SCIENCE 12 SECOND SEMESTER / QUARTER 2/ WEEK 6/ DAY 1 HERTZ AND RADIO PULSES OBJECTIVE OF THIS MODULE: Discuss how Hertz produced radio waves. MAIN IDEA: Production of Radio Impulses from wavelengths EQ: Why is Heinrich Hertz experiment important in describing EM waves? Heinrich Rudolf Hertz is a German physicist who became the first person to transmit and receive controlled radio waves. His study focused on proving if Maxwell’s theory of electromagnetism was correct. The unit of frequency is named after him, which is equivalent to cycles per second. But how did Hertz been able to prove Maxwell’s theory? It all started when he was fascinated by the sparks produced by the Riess spirals he was demonstrating to his students. In this electrical apparatus, the spirals produced electric sparks thru a process called magnetic induction. The sparks flew between spark gaps, a small gap
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Guglielmo Marconi
Italian electrical engineer, inventor, and politician (1874–1937)
"Marconi" redirects here. For other uses, see Marconi (disambiguation).
Guglielmo Giovanni Maria Marconi, 1st Marquess of Marconi (; Italian:[ɡuʎˈʎɛlmomarˈkoːni]; 25 April 1874 – 20 July 1937) was an Italian[1][2][3][4]electrical engineer, inventor, and politician known for his creation of a practical radio wave-based wireless telegraph system.[5] This led to Marconi being credited as the inventor of radio[6] and sharing the 1909 Nobel Prize in Physics with Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".[7][8][9] His work laid the foundation for the development of radio, television, and all modern wireless communication systems.[10]
Marconi was also an entrepreneur and businessman who founded the Wireless Telegraph & Signal Company (which became the Marconi Company) in the United Kingdom in 1897. In 1929, Marconi was ennobled as a marquess (marchese) by Victor Emmanuel III. In 1931, he set up Vatican Radio for Pope Pius XI.
Biography
[edit]Early years
[edit]Guglielmo Giovanni Maria Marconi[11][12]