Questions

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
Exam Prep: Bank Exams , CAT

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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

Explanation:
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Exam Prep: Bank Exams

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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

Explanation:
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Filed Under: General Science
Exam Prep: Bank Exams

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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

Explanation:
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Q:

The Speaker of the sixth Lok Sabha who later became the President of India was _____ .

A) VP Singh B) Neelam Sanjeeva Reddy
C) V.S Ramadevi D) Sukumar Sen
 
Answer & Explanation Answer: B) Neelam Sanjeeva Reddy

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

According to Stockholm International Peace Research Institute, with spending of $55.9 Billion in 2016, which country became world’s fifth-largest military spender?

A) China B) USA
C) Russia D) India
 
Answer & Explanation Answer: D) India

Explanation:
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Filed Under: General Awareness
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Q:

Jammu and Kashmir Rifles is 

A) an infantry regiment of the Indian Army B) a battalion of the Rashtriya Rifles
C) the name of the Armed Police of the State of Jammu and Kashmir D) a paramilitary force under the Ministry of Home Affairs
 
Answer & Explanation Answer: A) an infantry regiment of the Indian Army

Explanation:

Jammu and Kashmir Rifles is an infantry regiment of the Indian Army. It is a truly historic Indian Regiment raised by Maharaja Gulab Singh, the founder of the Dogra Kingdom in 1820. Amongst all the princely State Forces of India, it was the only one to be absorbed into the Indian Army as a separate Regiment and did not lose its entity by merger into the existing Regiments of the Army.

 

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Q:

From the national point of view, which of the following indicates micro approach?

A) Study of sales of mobile phones by BSNL B) Unemployement among Women
C) Per capita income in India D) Inflation in India
 
Answer & Explanation Answer: A) Study of sales of mobile phones by BSNL

Explanation:
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