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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