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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:

___ fundamental rights are recognized by the Indian constitution.

A) Five B) Six
C) Seven D) Eight
 
Answer & Explanation Answer: C) Seven

Explanation:
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Filed Under: Indian Politics
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Q:

What is Syzygy?

A) Position of sun, earth and moon in the straight line B) Earth's position between Sun and Moon
C) Sun and Moon position on one side of the Earth D) The right angle position of Moon from the Sun and Earth
 
Answer & Explanation Answer: A) Position of sun, earth and moon in the straight line

Explanation:
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Q:

Which of the following is the largest satellite of the Solar System?

A) Titan B) Miranda
C) Moon D) Ganymede
 
Answer & Explanation Answer: D) Ganymede

Explanation:
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Q:

Which of the following ministry has Launched Mobile Application “ Jan Dhan Darshak” as A Part of Financial Inclusion? 

A) Finance Ministry  B) Ministry of Consumer Affairs, Food and Public Distribution 
C) Ministry of Human Resource Development  D) Ministry of Parliamentary Affairs 
 
Answer & Explanation Answer: A) Finance Ministry 

Explanation:

Finance Ministry Launches Mobile Application “Jan Dhan Darshak” as A Part of Financial Inclusion. Department of Financial Services (DFS), Ministry of Finance and National Informatics Centre (NIC) has jointly developed a mobile app called Jan Dhan Darshak as a part of financial inclusion (FI) initiative. 

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Filed Under: Indian Politics
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Q:

In 2015, underground glaciers of frozen water were discovered on

A) Mars B) Venus
C) Jupiter D) Saturn
 
Answer & Explanation Answer: A) Mars

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Filed Under: General Science
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Q:

The apparent weight of a person in a lift which is moving down with uniform acceleration is _______.

A) greater than the weight when the person is stationary B) twice the weight when the person is stationary
C) less than the weight when the person is stationary D) same as the weight when the person is stationary
 
Answer & Explanation Answer: C) less than the weight when the person is stationary

Explanation:
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Filed Under: Physics
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Q:

Which statement about Ultrabook computers is false?

A) Utrabooks are equipped with SSD drives for fast start-up B) Ultrabooks do not offer HDMI video output ports
C) Ultrabooks typically weigh less than 3 pounds D) Ultrabooks have the fastest optical drives
 
Answer & Explanation Answer: D) Ultrabooks have the fastest optical drives

Explanation:

Ultrabooks have the fastest optical drives is the false statement in the given options about Ultrabook computers.

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