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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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Filed Under: Chemistry
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Q:

Removal of carbon particles from air involves the principle of

A) Precipitation B) Filteration
C) Electrophoresis D) Sedimentation
 
Answer & Explanation Answer: C) Electrophoresis

Explanation:
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Filed Under: Chemistry
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Mundane

 

A) Bounteous B) Heavenly
C) Exciting D) Everyday
 
Answer & Explanation Answer: D) Everyday

Explanation:
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Filed Under: English
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

 

Debonair

 

A) Elegant B) Awkward
C) Clumsy D) Difficult
 
Answer & Explanation Answer: A) Elegant

Explanation:
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Filed Under: English
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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Dissident

A) Alienated B) Iconoclast
C) Divisive D) Orthodox
 
Answer & Explanation Answer: D) Orthodox

Explanation:
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

 

Profligate

A) Modest B) Immoral
C) Upright D) Virtuous
 
Answer & Explanation Answer: B) Immoral

Explanation:
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Filed Under: English
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Q:

In the following question, four words have been given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

A) Delinate B) Delirious
C) Desecration D) Detrimental
 
Answer & Explanation Answer: A) Delinate

Explanation:
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Filed Under: English
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Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

One who will do any job for anyone for money

A) Mercenary B) Recruit
C) Hoodlum D) Merchant
 
Answer & Explanation Answer: A) Mercenary

Explanation:
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