Sawaal

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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.

 

Over my dead body

 

A) Used to emphasize that one completely opposes something. B) Be dead sure of something.
C) Feel afraid of something or someone. D) Feel unhealthy and very weak
 
Answer & Explanation Answer: A) Used to emphasize that one completely opposes something.

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Filed Under: English
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

 

Farmland ploughed and harrowed but left for a period without being sown in order to restore its fertility

 

A) Fallow B) Urbane
C) Sophisticated D) Genteel
 
Answer & Explanation Answer: A) Fallow

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Filed Under: English
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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

 

I closed the window just in time and (return) to my room with relief.

 

A) returns B) returned
C) will return D) no improvement
 
Answer & Explanation Answer: B) returned

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

Sorry to have(A)/troubled you; since(B)/it couldn't be helped.(C)/No error(D)

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: B) B

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Q:

The attenuation in optical fibre is mainly due to

A) Scattering B) Absorption
C) Both (a) and (b) D) Neither absorption nor scattering
 
Answer & Explanation Answer: A) Scattering

Explanation:

The reason for transmitting data over optical fibers, is because the speed of data transmission through optical wires are equal to the speed of light. The intense speed of data transfer speed, has lead to the use of optical fibers. The optical fiber uses the technology of transferring light beams, from one end to the other end of optical cables. The attenuation in optical fiber is due to Scattering. The reason why scattering is caused, due to the folding, in the wire.

 

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Filed Under: Physics
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Q:

Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.

A) 25 B) 125
C) 62.5 D) 50
 
Answer & Explanation Answer: B) 125

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Q:

Which colour is formed when Red and Green are mixed?

A) Light blue B) Yellow
C) White D) Grey
 
Answer & Explanation Answer: B) Yellow

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Filed Under: General Science
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Q:

Recently, scientists have found second Great Spot 24000 km across and 12000 km wide on which planet?

A) Saturn B) Mars
C) Jupiter D) Mercury
 
Answer & Explanation Answer: C) Jupiter

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