Questions

Q:

What type of lens is used to correct vision of a person suffering from Myopia?

A) Convex lens B) Concave lens
C) Crossed lens D) Cylindrical lens
 
Answer & Explanation Answer: B) Concave lens

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Q:

What is the minimum age for becoming a Governor of state in India?

A) 25 B) 30
C) 35 D) 40
 
Answer & Explanation Answer: C) 35

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Q:

The chemical that is used to ripen mangoes is

A) Calcium sulphide B) Calcium carbide
C) Calcium carbonate D) Calcium chloride
 
Answer & Explanation Answer: B) Calcium carbide

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Q:

What is the unit of electric resistance?

A) Dyne B) Pascal
C) Joule D) Ohms
 
Answer & Explanation Answer: D) Ohms

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Q:

A broadcasting station transmits waves with a frequency of 71 x 104 Hz and a speed of 3 x 108 m/s. The wavelength of the wave is

A) 324.6 m B) 422.5 m
C) 208.4 m D) 418.8 m
 
Answer & Explanation Answer: B) 422.5 m

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Q:

Who was the first Englishman to appear in the Mughal Court during Jahangir's reign?

A) Paul Canning B) Captain William Hawkins
C) William Edward D) Ralph Fitch
 
Answer & Explanation Answer: B) Captain William Hawkins

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Q:

Who Invented Post-it note?

A) William Friese-Greene B) Arthur Fry
C) Gordon Gould D) Otto von Guericke
 
Answer & Explanation Answer: B) Arthur Fry

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Q:

Who Invented Lawnmower?

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

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