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Q:

A man jumping out of a moving train is thrown 

A) forward B) backward
C) sidewaqys D) None of these
 
Answer & Explanation Answer: A) forward

Explanation:

At the time of jumping out he has the same velocity as the moving train

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Filed Under: Physics

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

Q:

What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?

A) 18 km/sec B) 11.2 km/sec
C) 21 km/sec D) 35 km/sec
 
Answer & Explanation Answer: B) 11.2 km/sec

Explanation:

This 11.2 km/s is also known as the escape velocity. It works out to roughly 25000miles per hour 

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Filed Under: Physics

Q:

A hunter on the ground wishes to shoot a  bird on a tree at a distance with his rifle. He has to point the rifle

A) at the lower alevation than the bird B) at a higher alevation than the bird
C) In the same direction as the bird D) vertically upwards
 
Answer & Explanation Answer: B) at a higher alevation than the bird

Explanation:

The trajectory of the bullet is a parabola

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Filed Under: Physics

Q:

The playback singer who is certified as the 'Most Recorded Artist' in the world (2009) by the World Records Academy is ________

Answer

Asha Bhosle . She  is the sister of Latha Mangeshkar

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Subject: Famous Personalities

Q:

Who is the co-founder of Hotmail?

Answer

Sabeer Bhatia

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Subject: General Awareness

Q:

Who is the first British footballer to play 100 champions League matches and the highest paid player in the world ?

Answer

David Beckham

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Subject: Famous Personalities

Q:

Who is the veteran communist leader and CM of West Bengal for a record five consecutive tems until Nov 2000?

Answer

Jyoti Basu

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Subject: Famous Personalities