Science Quiz Questions and Answers - 2
Question: 6
Who invented LCDs?
(A) Nick Holonyak
(B) Akio Morita
(C) Martin Cooper
(D) George H. Heilmeier
Ans: D
George H. Heilmeier
Question: 7
Which of the following is used as a fuel in Nuclear power stations in India?
(A) Chromium
(B) Copper
(C) Thorium
(D) Tin
Ans: C
Thorium
Question: 8
Which one of the following laser types is used in a laser printer?
(A) Excimer laser
(B) Semiconductor laser
(C) Gas laser
(D) Dye laser
Ans: D
Dye laser
Question: 9
Which one of the following petroleum refinery products has the lowest boiling point?
(A) Lubricating oil
(B) Gasoline
(C) Diesel
(D) Kerosene
Ans: B
Gasoline
Question: 10
The period of revolution of a geostationary satellite is
(A) 24 hours
(B) 30 days
(C) 365 days
(D) Changing continuously
Ans: A
24 hours
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