Achievements of Eminent Scientists NDA Questions

NDA BIOLOGY

Achievements of Eminent Scientists MCQ Questions


7.
The SI unit of pressure, the Pascal, is named in honour of the French scientist:
A.
Evangelista Torricelli
B.
Robert Boyle
C.
Daniel Fahrenheit
D.
Blaise Pascal
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ANSWER :
D. Blaise Pascal
8.
Pascal's Law, describing the transmission of pressure in fluids, forms the scientific basis for the working of:
A.
Telescopes
B.
Steam engines
C.
Hydraulic machines
D.
Electric motors
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ANSWER :
C. Hydraulic machines
9.
The law relating electric current, voltage and resistance (V = IR) is known as:
A.
Boyle's Law
B.
Ohm's Law
C.
Ampere's Law
D.
Faraday's Law
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ANSWER :
B. Ohm's Law
10.
Ohm's Law is named in honour of the German physicist:
A.
André-Marie Ampère
B.
Michael Faraday
C.
Alessandro Volta
D.
Georg Simon Ohm
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ANSWER :
D. Georg Simon Ohm
11.
The laws of electromagnetic induction were discovered by:
A.
Michael Faraday
B.
Georg Simon Ohm
C.
Nikola Tesla
D.
James Clerk Maxwell
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ANSWER :
A. Michael Faraday
12.
Faraday's discovery of electromagnetic induction laid the essential foundation for the modern:
A.
Barometer
B.
Steam engine
C.
Telescope
D.
Electric generator (dynamo)
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ANSWER :
D. Electric generator (dynamo)