GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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First practical fluorescent lamp was invented in 1941 by
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George Malcom
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George Inman
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George Whatley
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Arnold Orville Beckman
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Explanation:
Detailed explanation-1: -George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941. Circular and U-shaped lamps were devised to reduce the length of fluorescent light fixtures.
Detailed explanation-2: -American Peter Cooper Hewitt (1861-1921) patented (U.S. patent 889, 692) the first mercury vapor lamp in 1901. The low-pressure mercury arc lamp of Peter Cooper Hewitt is the very first prototype of today’s modern fluorescent lights.
Detailed explanation-3: -Edmund Germer, who invented a high-pressure vapor lamp, also invented an improved fluorescent lamp. In 1927, he co-patented an experimental fluorescent lamp with Friedrich Meyer and Hans Spanner.
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