Questions

Q:

The force of friction between two surfaces will increase if:

A) a layer of lubricant is kept between the two surfaces B) the two surfaces are pressed harder
C) air gap is created between the two surfaces D) irregularities on both the surfaces are removed
 
Answer & Explanation Answer: B) the two surfaces are pressed harder

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Filed Under: Physics
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Q:

The given symbol stands for a/an ___ in an electric circuit.

A) resistor B) plug key
C) electric bulb D) battery
 
Answer & Explanation Answer: C) electric bulb

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Q:

The absolute refractive index of air is

A) 1.03 B) 1.00003
C) 1.003 D) 1.0003
 
Answer & Explanation Answer: D) 1.0003

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Q:

Which of the following increased in the 1920's?

A) Farmers' debt B) Domestic demand for U.S. farm products
C) Prices for farm productsc) D) Foreign demand for U.S. farm products
 
Answer & Explanation Answer: A) Farmers' debt

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Q:

Who invented the bifocal glasses?

A) Thomas Alva Edison B) Benjamin franklin
C) Evangelista D) Isaac Newton
 
Answer & Explanation Answer: B) Benjamin franklin

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Filed Under: Inventions
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Q:

Who won Nobel prize for Physics in 2015?

A) Hiroshi Amano B) Takaaki Kajita
C) Isamu Akasaki D) Makoto Kobayashi
 
Answer & Explanation Answer: B) Takaaki Kajita

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Q:

Which of the following was the winner of the Grammy Awards 2016 "Country Song of the Year"?

A) Chances Are B) Girl Crush
C) Hold My Hand D) Traveller
 
Answer & Explanation Answer: B) Girl Crush

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Q:

To whom the Nobel Prize in Physiology or Medicine 2016 was awarded?

A) David J. Thouless B) Yoshinori Ohsumi
C) J. Michael Kosterlitz D) Sir J. Fraser Stoddart
 
Answer & Explanation Answer: B) Yoshinori Ohsumi

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