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Q:

A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by 

A) decreasing the radius of the capillary tube B) increasing the radius of the capillary tube
C) increasing the height of water in the vessel D) None of these
 
Answer & Explanation Answer: A) decreasing the radius of the capillary tube

Explanation:

The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to  the upward force due to surface tension. So it is clear that if the bore to the tube is decreased , the height of the water column in it  must be greater.

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Filed Under: Physics

Q:

Solids have definite shapes.This is because

A) the forces of cohesion of the molecules within are very much less in them B) the forces of cohesion are very large
C) the forces of adhesion are large D) the forces of adhesion are less
 
Answer & Explanation Answer: B) the forces of cohesion are very large

Explanation:

Cohesion refers to attraction between molecules of the same kind while adhesion refers to attraction between different kinds of molecules

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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:

Which newspaper claims to carry "all the news that is fit to print"?

Answer

The New York Times

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Subject: General Awareness

Q:

Most application software today comes with an interface called

A) Graphical user interface B) Character user interface
C) Icon user interface D) Button user interface
 
Answer & Explanation Answer: A) Graphical user interface

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

Q:

What happens when you boot up a PC?

A) Portions of the operating system are copied from disk into memory B) Portions of the operating system are copied from memory onto disk
C) Portions of the operating system are compiled D) Portions of the operating system are emulated
 
Answer & Explanation Answer: A) Portions of the operating system are copied from disk into memory

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

Q:

_________ provide expansion capability for a computer system

A) Sockets B) Slots
C) Bytes D) None of these
 
Answer & Explanation Answer: B) Slots

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

Q:

All of the logic and mathematical calculations done by the computer happen in/ on the ........

A) system board B) central control unit
C) central processing unit D) mother board
 
Answer & Explanation Answer: C) central processing unit

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank PO