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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
Exam Prep: Bank Exams , CAT

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Q:

The quantum theory of light was given by

A) Einstein B) Newton
C) Plank D) Faraday
 
Answer & Explanation Answer: C) Plank

Explanation:
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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

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Q:

1 pascal equals 1 ________________.

A) N m2 B) N m-2
C) N m D) N m-1
 
Answer & Explanation Answer: B) N m-2

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

In a food chain, what is the difference between primary consumers and secondary consumers?

A) Primary consumers eat plants and other consumers, secondary consumers eat plants and decomposed matter B) Primary consumers eat only plants, secondary consumers eat primary consumers
C) Primary consumers eat plants and decomposed matter, secondary consumers eat plants and other consumers D) Primary consumers eat other consumers, secondary consumers eat only plants
 
Answer & Explanation Answer: B) Primary consumers eat only plants, secondary consumers eat primary consumers

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Filed Under: General Science

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Q:

Choose the most appropriate answer:Think-tank of Government of India that replaced Planning Commission on 01 January 2015 is

A) NITI Vakya B) NITI Dharma
C) NITI Vajpayee D) NITI Aayog
 
Answer & Explanation Answer: D) NITI Aayog

Explanation:

Government establishes NITI Aayog (National Institution for Transforming India) to replace Planning Commission. It will emerge as a "think-tank" that will provide Governments at the central and state levels with relevant strategic and technical advice across the spectrum of key elements of policy.

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Filed Under: Indian Politics

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

Mother said to you, "When will you start from Pune?"

A) Mother asked you when you would start from Pune. B) Mother asked you when you will start from Pune.
C) Mother asked you when you will be starting from Pune. D) Mother asked you when you will have started from Pune.
 
Answer & Explanation Answer: A) Mother asked you when you would start from Pune.

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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

The temple is(A)/within a hundred yards(B)/from my house(C)/No error(D)

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: D) D

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

 

I wrote a harsh letter to the editor.

A) Writing of a harsh letter has been done by me to the editor. B) I myself have written a letter which is harsh to the editor.
C) The editor will get a harsh letter which I wrote. D) A harsh letter was written by me to the editor.
 
Answer & Explanation Answer: D) A harsh letter was written by me to the editor.

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Filed Under: English
Exam Prep: Bank Exams

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