InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Which of the following occurred first ? |
| Answer» <html><body><p> Guglielmo Marconi sent out the first wireless signals</p><br/><br/><p>Guglielmo Marconi sent out the first wireless signals. In the early summer of 1895 and despite an intervening hill, Marconi achieved signal transmission and reception over a distance of about 2km. Success was indicated initially by the waving of a <a href="https://interviewquestions.tuteehub.com/tag/handkerchief-481976" style="font-weight:bold;" target="_blank" title="Click to know more about HANDKERCHIEF">HANDKERCHIEF</a> and progressed to the need to fire a gun. The theory of relativity transformed theoretical physics and astronomy during the 20th century. When first published, relativity superseded a 200-year-old theory of mechanics stated by Isaac Newton. In 1900 Max Planck made a profound discovery in modern physics / Quantum Theory. He showed (from <a href="https://interviewquestions.tuteehub.com/tag/purely-2962981" style="font-weight:bold;" target="_blank" title="Click to know more about PURELY">PURELY</a> formal / mathematical foundations) that light must be emitted and absorbed in discrete amounts if it was to correctly describe <a href="https://interviewquestions.tuteehub.com/tag/observed-582965" style="font-weight:bold;" target="_blank" title="Click to know more about OBSERVED">OBSERVED</a> phenomena (i.e. Blackbody radiation). The Wright brothers, Orville (August 19, 1871 – January 30, 1948) and Wilbur (April 16, 1867 – May 30, 1912), were two American brothers, inventors, and aviation pioneers who were credited with inventing and <a href="https://interviewquestions.tuteehub.com/tag/building-905221" style="font-weight:bold;" target="_blank" title="Click to know more about BUILDING">BUILDING</a> the world’s first successful airplane and making the first controlled, powered and sustained heavier-than-air <a href="https://interviewquestions.tuteehub.com/tag/human-1032714" style="font-weight:bold;" target="_blank" title="Click to know more about HUMAN">HUMAN</a> flight, on December 17, 1903.</p></body></html> | |