6
Q:

Who invented Bifocal Lens?

A) John Adams B) Benjamin Franklin
C) James Madison D) Thomas Jefferson

Answer:   B) Benjamin Franklin



Explanation:

Benjamin Franklin has long been credited with the invention of bifocal lenses and he was the first to wear bifocal lenses. He did not produce them himself but instead had some optician in London or France make them for him to overcome Presbyopia, a condition that Franklin suffered. He was tired switching between lenses for far and near sightedness. And that resulted in inventing Bifocal Lenses.

Subject: Inventions
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Q:

Which country on 23 October 2017 signed the Paris agreement on climate change, leaving the United States and Syria as the only two countries holding outto sign this global climate pact?

A) Nicaragua B) Colombia
C) Peru D) Uganda
 
Answer & Explanation Answer: A) Nicaragua

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0 2
Q:

State Land Reform is under which part of the Constitution?

A) 7th Schedule B) 8th schedule
C) 9th Schedul D) 10th schedule
 
Answer & Explanation Answer: C) 9th Schedul

Explanation:
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0 8
Q:

Who discovered X-rays?

A) W. C. Roentgen B) Albert Einstein
C) Samuel Cohen D) Edward Taylor
 
Answer & Explanation Answer: A) W. C. Roentgen

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0 31
Q:

Who discovered Electron?

A) Niels Bohr B) J.J. Thomson
C) Abert Einstein D) Ernest Rutherford
 
Answer & Explanation Answer: B) J.J. Thomson

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0 15
Q:

Who among the following discovered electron?

A) J.J Thomson B) Max Born
C) Antoine Lavoisier D) Mendeleef
 
Answer & Explanation Answer: A) J.J Thomson

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Q:

Artificial Intelligent robot named Shelley developed by the MIT media lab writes which type of stories?

A) Love B) Action
C) Drama D) Horror
 
Answer & Explanation Answer: D) Horror

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0 34
Q:

Who invented ECG?

A) Hans Berger B) Einthoven
C) G. Bist D) None of the above
 
Answer & Explanation Answer: B) Einthoven

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4 261
Q:

Who designed the first electronic computer ENIAC?

A) J presper Eckert and John W Mauchly B) John W Mauchly and Joseph M Jacquard
C) J presper Eckert and Von Neuman D) None of the above
 
Answer & Explanation Answer: A) J presper Eckert and John W Mauchly

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