Questions

Q:

A boy is swinging a ball attached to a string in a horizotal circle. If the string snaps 

A) the ball will travel towards the center of the circle and fall down B) it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
C) it will fall down at the same place where the string breaks D) None of these
 
Answer & Explanation Answer: B) it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down

Explanation:

The centripetal force having been removed the body cannot  execute the curved path

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Filed Under: Physics

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Q:

One billionth of a second is called

A) microsecond B) picoseconds
C) millisecond D) nanosecond
 
Answer & Explanation Answer: D) nanosecond

Explanation:

A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second or one billionth of a second.

 

  • That is, 1/1,000,000,000 of a second, or 10^−9 seconds.
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Filed Under: Physics
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Q:

The book '100 Things to Know and Debate Before You Vote' is written by

Answer

Hindol Sengupta

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Q:

There is a mistake in the following code. Add a statement in it to remove it.

main()

{

     int a;

     a = f (10, 3.14) ;

     printf ( " %d ", a );

}

f (int aa, float bb)

{

    return ( ( float ) aa + bb );

}

Answer

Add the following function prototype in main ():


float f ( int, float );

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Subject: Programming

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Q:

Which of the following events of World History marked the beginning of the Second World War?

A) Invasion of Poland by German armies B) Occupation of Latvia , Estonia and Lithuania by the soviet Union
C) War against Finland declared by the USSR D) The period of 'Phoney war"
 
Answer & Explanation Answer: A) Invasion of Poland by German armies

Explanation:

On 1 september 1939 German armies marched into poland. On 3 September Britain and France declared war on Germany.Thus the invasion of poland marked the beginning of the Second World War. The German armies completed the conquest of poland in less than three weeks as no aid reached poland. In spite of the declaration of war, however, there was little actual fighting for many months. Therefore, the war during the period from  september 1939 to April 1940 when germany invaded Narway and Denmark is known as the "Phoney War"

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Filed Under: World History

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Q:

Which of the following is a correctly written compound word?

A) Spur of the moment-decision B) Thirty one
C) Quickly-running D) Self-evident
 
Answer & Explanation Answer: D) Self-evident

Explanation:

Compound word means when two or more words join together to make a single word that gives a new meaning.

 

Here in the options, Self-evident is the compound word.

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Filed Under: English
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Q:

Which of the following programmes was launched in 2005-06 for creating infrastucture and basic amenities in rural parts of our Country

A) Janani Surksha Yojana B) Sarva Siksha Abhiyan
C) Swarnajayanti Shahari Rozagar Yojana D) Bharat Nirman Programme
 
Answer & Explanation Answer: D) Bharat Nirman Programme

Explanation:
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Filed Under: Indian Economy

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Q:

Indians who have been featured on Forbe's list of the 100 Greatest Living Business Minds ?

A) Ratan Tata B) Lakshmi Mittal
C) Vinod Khosla D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Three Indians – Ratan Tata, Lakshmi Mittal and Vinod Khosla have been featured on Forbe's list of the 100 Greatest Living Business Minds.

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Filed Under: Famous Personalities
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