Inventions Inventions in Physics

• A Dr. Charles H. Townes
• B Dalton
• C Leo H. Baekeland
• D Alexander Parkes (Britain) improved in 1873 by John W. Hyatt.
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A

Answer: A

Laser invented/discovered by Dr. Charles H. Townes in the year 1960 [Country: U.S.A.]

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This page provides multiple-choice questions (MCQs) on inventions in physics. It covers topics such as the invention of the light bulb, the invention of the telephone, the invention of the radio, and the invention of the television. It is a great resource for students and teachers to test their knowledge of physics inventions and to learn more about the history of physics.