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Q:

An example of longitudinal waves (in gas as a medium) is ______.

A) heat waves B) radio waves
C) electromagnetic waves D) sound waves
 
Answer & Explanation Answer: D) sound waves

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Filed Under: Physics
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Q:

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

A) 2000 B) 500
C) 1000 D) 100
 
Answer & Explanation Answer: C) 1000

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Filed Under: Physics
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Q:

Which one among the following is not an electro­magnetic wave?

A) X­-Ray B) R­-Ray
C) Cathode Ray D) Infrared Ray
 
Answer & Explanation Answer: C) Cathode Ray

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Q:

Which of the following pairing is incorrect

A) Hygrometer ­- Water vapour content of the atmosphere B) Lactometer - ­ Specific gravity of liquids
C) Anemometer ­ - Speed of the wind D) Seismograph -­ Earthquakes
 
Answer & Explanation Answer: B) Lactometer - ­ Specific gravity of liquids

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Q:

Newton's first law is also known as _______.

A) Law of friction B) Law of moments
C) Law of Inertia D) Law of motion
 
Answer & Explanation Answer: C) Law of Inertia

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Q:

Which country will host the 9th BRICS Summit in the year 2017?

A) Brazil B) Russia
C) India D) China
 
Answer & Explanation Answer: D) China

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Filed Under: General Awareness
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Q:

Earth is also known as _______.

A) Orange planet B) Green planet
C) Blue planet D) Yellow planet
 
Answer & Explanation Answer: C) Blue planet

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Filed Under: General Science
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Q:

Which  one  of  the  following  constitutional authorities  inquires  and  decides  in  case  of doubts  and  disputes  arising  out  of  election of  the  President  and  Vice  President  Of India?

A) The Supreme Court of India B) The Election Commission of India
C) The Parliamentary Committee D) The High Court of Delhi
 
Answer & Explanation Answer: A) The Supreme Court of India

Explanation:

Supreme     Court     inquires     and decides   in   case   of   doubts   and disputes  arising  out  of  elections  of President    and    Vice    president.

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Filed Under: Indian Politics
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