Questions

Q:

Who Invented LED?

A) Nick Holonyak B) Elias Howe
C) Chuck Hull D) Christiaan Huygens
 
Answer & Explanation Answer: A) Nick Holonyak

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Filed Under: Inventions
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Q:

Who Invented Induction Coil?

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

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Q:

Who Invented airbag?

A) Wright brothers B) Reynold B. Johnson
C) Assen Jordanoff D) Ken Kutaragi
 
Answer & Explanation Answer: C) Assen Jordanoff

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Q:

Solve 675.9995+(3.9989)2 = ? ÷ 16.9900865

A)

6

B)

50

C)

10

D)

125

 
Answer & Explanation Answer: A)

6



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Q:

The famous Dilwara temples of Mount Abu are a sacred pilgrimage place for the

A) Buddhists B) Jains
C) Sikhs D) Parsis
 
Answer & Explanation Answer: B) Jains

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Filed Under: Indian History

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Q:

Which of the following pair/pairs is/are INCORRECT?
I. Golden revolution - Fruits production
II. Blue revolution - Increasing production of fertilizers
III. Yellow revolution - For the production of eggs

A) Only I B) Only II
C) Both I and II D) Both II and III
 
Answer & Explanation Answer: D) Both II and III

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Filed Under: General Science
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Q:

The property of metal by which it can be drawn into wires is called _____________.

A) maleability B) viscosity
C) ductility D) tensile strength
 
Answer & Explanation Answer: C) ductility

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Filed Under: Physics
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Q:

The sliding friction is _______________ than the static friction.

A) double B) same
C) greater D) smaller
 
Answer & Explanation Answer: D) smaller

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Filed Under: Physics
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