Achievements of Eminent Scientists NDA Questions

NDA BIOLOGY

Achievements of Eminent Scientists MCQ Questions


13.
The SI unit of electric current, the Ampere, is named in honour of the French physicist:
A.
Georg Simon Ohm
B.
Michael Faraday
C.
Alessandro Volta
D.
André-Marie Ampère
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ANSWER :
D. André-Marie Ampère
14.
The SI unit of electric potential, the Volt, is named in honour of the Italian physicist:
A.
André-Marie Ampère
B.
James Watt
C.
Alessandro Volta
D.
Georg Simon Ohm
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ANSWER :
C. Alessandro Volta
15.
Alessandro Volta is credited with inventing the first true electric battery, known as the:
A.
Leyden jar
B.
Wimshurst machine
C.
Voltaic pile
D.
Faraday cage
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ANSWER :
C. Voltaic pile
16.
The barometer, used to measure atmospheric pressure, was invented by:
A.
Daniel Fahrenheit
B.
Evangelista Torricelli
C.
Blaise Pascal
D.
Robert Boyle
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ANSWER :
B. Evangelista Torricelli
17.
The three laws of planetary motion were formulated by the German astronomer:
A.
Nicolaus Copernicus
B.
Tycho Brahe
C.
Johannes Kepler
D.
Galileo Galilei
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ANSWER :
C. Johannes Kepler
18.
Christiaan Huygens is best remembered for his major contributions to the wave theory of:
A.
Heat
B.
Light
C.
Sound
D.
Electricity
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ANSWER :
B. Light