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 Inventions Questions

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Q:

Who discovered Electron?

A) Niels Bohr B) J.J. Thomson
C) Abert Einstein D) Ernest Rutherford
 
Answer & Explanation Answer: B) J.J. Thomson

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Q:

Who discovered radioactivity?

A) Max Planck B) James Clerk Maxwell
C) Henri Becquerel D) Heinrich Hertz
 
Answer & Explanation Answer: C) Henri Becquerel

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Q:

Who Invented Neon Lamp?

A) Vint Cerf B) David Chaum
C) Georges Claude D) Josephine Cochrane
 
Answer & Explanation Answer: C) Georges Claude

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Q:

Which of the following was invented by Sir Humphry Davy?

A) Safety Pin B) Steam Engine
C) Safety Lamp D) X-Rays
 
Answer & Explanation Answer: C) Safety Lamp

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Q:

Who discovered electron?

A) E. Goldstien B) J. J. Thomson
C) Ernest Rutherford D) J. Chadwick
 
Answer & Explanation Answer: B) J. J. Thomson

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Q:

Who invented Helicopter?

A) Copernicus B) Sikorsky
C) Cockrell D) Drinker
 
Answer & Explanation Answer: B) Sikorsky

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Q:

Who Invented FM Radio?

A) Edwin Howard Armstrong B) John Barber
C) Edwin Beard Budding D) Nicholas Callan
 
Answer & Explanation Answer: A) Edwin Howard Armstrong

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Q:

Who invented Space Pen?

A) Paul C. Fisher B) Rudolf Diesel
C) Wright Brothers D) Alexander Fleming
 
Answer & Explanation Answer: A) Paul C. Fisher

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