Questions

Q:

For every action, there is an equal and opposite reaction, is Newton's

A) First law B) Second law
C) Third law D) Fourth law
 
Answer & Explanation Answer: C) Third law

Explanation:
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Q:

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

INERTIA

A) STUPOR B) VIGOUR
C) LANGUOR D) INERTNESS
 
Answer & Explanation Answer: B) VIGOUR

Explanation:
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Q:

Which describes the work of Nicolaus Copernicus?

A) Inventing analytic geometry B) Experimenting on Human Bodies
C) Studying prisms and the nature of light D) Developing a Heliocentric Theory
 
Answer & Explanation Answer: D) Developing a Heliocentric Theory

Explanation:

Nicolaus Copernicus was decribed by his work on "The Heliocentric Theory" which is based on that the earth revolves around the Sun.

 

This theory was developed in parts by different astronomers over many years, namely Aristarchus, Copernicus, Kepler, and Galileo.

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Q:

Which Indian state has the largest share of the Wastelands in India?

A) Gujarat B) Andhra Pradesh
C) Madhya Pradesh D) Rajasthan
 
Answer & Explanation Answer: D) Rajasthan

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Q:

Calculate the relative molecular mass of water H2O?

A) 18u B) 1.8u
C) 2.0u D) 20u
 
Answer & Explanation Answer: A) 18u

Explanation:
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Q:

Which of the following is a Synthetic rubber?

A) Leoprene B) Monoprene
C) Neoprene D) Isoprene
 
Answer & Explanation Answer: C) Neoprene

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Q:

What is the maximum  number of states of matter?

A) Three B) Four
C) Five D) Variable
 
Answer & Explanation Answer: C) Five

Explanation:

There   are five known   states   of matter:    solids,    liquids,    gases, plasma and Bose-Einstein condensates.  The  main  difference in the structures of each state is in the densities of the particles.

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Q:

Which  one  of  the  following  statements  is not correct?

A) The    cathode    rays    originate    from cathode   and   proceed   towards   the anode   in   a   cathode-ray   discharge tube. B) The television picture tubes are nothing but cathode ray tubes.
C) The  cathode  rays  themselves  are  not visible. D) The   characteristics   of   cathode   rays depend  upon  the  nature  of  the  gas present in the cathode-ray tube.
 
Answer & Explanation Answer: D) The   characteristics   of   cathode   rays depend  upon  the  nature  of  the  gas present in the cathode-ray tube.

Explanation:

Cathode ray is a beam of electrons emitted   from   the   cathode   of   a vacuum    tube.    It    is    invisible. Cathode  ray  tubes  are  also  found in     televisions     and     computer monitors.  Since  cathode  ray  is  a beam of electrons and all electrons are  identical,  charge  to  mass  ratio is same for all the gases and does not depend on the nature of gas.

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