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Q:

1 WH =

A) 360 joules B) 36000 joules
C) 3600 joules D) 36 joules
 
Answer & Explanation Answer: C) 3600 joules

Explanation:

The watt-hour (WH) is a unit of energy equivalent to one watt (1 W) of power expended for one hour (1 h) of time.

1 WH = 3600 joules.

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Q:

The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by

A) Galileo B) Martin Luther
C) Johannes Kepler D) Copernicus
 
Answer & Explanation Answer: C) Johannes Kepler

Explanation:

Kepler’s  laws  of  planetary  motion state  that  (a)  All  planets  move  in elliptical orbits with the Sun at one of  the  focal  points  (b)  The  radius vector  drawn  from  the  sun  to  a planet  sweeps  out  equal  areas  in equal  time  intervals.  This  follows from  the  fact  that  the  force  of gravitation on the planet is central and  hence  angular  momentum  is conserved.  (c)  The  square  of  the orbital   period   of   a   planet   is proportional  to  the  cube  of  the semi  major  axis  of  the  elliptical orbit of the plane.

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Q:

Who is the author of the book ' Centrestage - Inside the Narendra Modi Model of Governance '

Answer

Uday Mahurkar

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Subject: Books and Authors

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

 

backseat driver

A) A person who keeps giving advice to others for things that they are not responsible B) The one who is sitting in the back seat behaves like a boss
C) The real power lies in the hands of those who control the strings D) The puppet dances to the actions of the puppeteer
 
Answer & Explanation Answer: A) A person who keeps giving advice to others for things that they are not responsible

Explanation:
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Q:

Which tribe of Arunachal Pradesh is celebrating Boori Boot Yollo Festival?

A) Gond B) Bhil
C) Santhals D) Nyishi
 
Answer & Explanation Answer: D) Nyishi

Explanation:
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Q:

Group 7A of the periodic table contains the

A) most reactive metals B) least reactive non metals
C) most reactive non metals D) least reactive metals
 
Answer & Explanation Answer: C) most reactive non metals

Explanation:
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Filed Under: Chemistry
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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
Chefs use these machines to mix the ingredients.

A) These machines are used by chefs to mix the ingredients. B) Using of these machines is done by chefs to mix the ingredients.
C) Chefs mix the ingredients using these machines. D) These machines had been used to mix the ingredients by chefs.
 
Answer & Explanation Answer: A) These machines are used by chefs to mix the ingredients.

Explanation:
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Filed Under: English

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Q:

What type of electromagnetic radiation is used in the remote control of a television?

A) Ultraviolet B) Visible
C) Infrared D) None of the above
 
Answer & Explanation Answer: C) Infrared

Explanation:
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Filed Under: Physics
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