Questions

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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Q:

Living things constitute the biotic component of the ___________________.

A) mesosphere B) biosphere
C) thermosphere D) heliosphere
 
Answer & Explanation Answer: B) biosphere

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Q:

Full form of BIOS is

A) Binary Interchange Operation System B) Basic Input Output System
C) Beginner's Input Operation Symbol D) Basic Interface Oriented Service
 
Answer & Explanation Answer: B) Basic Input Output System

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Filed Under: Computer
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Q:

You can group noncontiguous worksheets with

A) The alt+enter key B) The group button on the standard toolbar
C) The ctrl key and mouse D) The shift key and the mouse
 
Answer & Explanation Answer: C) The ctrl key and mouse

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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:

There are total _________ parliamentary seats (Lok Sabha constituency) in Uttarakhand.

A) 14 B) 5
C) 80 D) 2
 
Answer & Explanation Answer: B) 5

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Filed Under: Indian Politics
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