Questions

Q:

The theory behind stars twinkling is that

A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time B) The intensity of light emitted by them changes with time
C) The light from the star is scattered by the dust particles and air molecules in the earth's atmosphere D) The distance of the stars from the earth changes with time
 
Answer & Explanation Answer: A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time

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Q:

The rate of change of velocity is called

A) Momentum B) Speed
C) Acceleration D) Force
 
Answer & Explanation Answer: C) Acceleration

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Q:

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

 

A) 6400   B) 1280  
C) 640   D) 3200
 
Answer & Explanation Answer: B) 1280  

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Q:

Mirages are formed primarily due to ___ of light.

A) Reflection B) Diffusion
C) Refraction D) Scattering
 
Answer & Explanation Answer: C) Refraction

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

Anita ______ her work by the time he came.

 

A) had done B) has done
C) is done D) would done
 
Answer & Explanation Answer: A) had done

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

In its _______________ phase, the big telco monopolies tried to levy a "tax" on all Internet content __________________. The Internet companies were then the new kids on the _________________. They and the Internet user community fought back such attempts. This was the first net neutrality war, and it ______________ the principle of ________________ on the Internet between different types of content or sites.

 

This was the first net neutrality war, and it _____________

 

A) established B) establishes
C) was establishing D) were establishing
 
Answer & Explanation Answer: A) established

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

He asked him to ______ some documents.

 

A) set out   B) go through  
C) look up   D) imagine
 
Answer & Explanation Answer: B) go through  

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.

They will advise me about the price of the accessories.

A) I will have been advised about the price of the accessories. B) I would have been advised about the price of the accessories.
C) I shall be advised about the price of the accessories. D) I would have had been advised about the price of the accessories.
 
Answer & Explanation Answer: C) I shall be advised about the price of the accessories.

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