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:

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'.

No one knows(A)/how he escaped(B)/being dashed to pieces.(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, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

When bad things happen to good people they become ______ not worse.

A) authentic	B) unrealistic
C) better	D) ideal

Answer & Explanation Answer: C) better

Explanation:

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

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Q:

Where is the Great Barrier Reef located ?

A) Pacific Ocean	B) Indian Ocean
C) Atlantic Ocean	D) Arctic Ocean

Answer & Explanation Answer: A) Pacific Ocean

Explanation:

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Filed Under: Indian Geography
Exam Prep: Bank Exams

1 1422

Q:

Majority of the fungal bionts of lichens belong to

A) Baridiomycetes	B) Ascomycetes
C) Gomycetes	D) Deuteromycetes

Answer & Explanation Answer: B) Ascomycetes

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

2 1422

Q:

Glycol is used to manufacture which of the following ?

A) Nylon	B) Artificial silk
C) Terylene	D) Rubber

Answer & Explanation Answer: C) Terylene

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

What is the chemical name of chalk?

A) Calcium Sulphate	B) Calcium Nitrate
C) Calcium Carbonate	D) Calcium Phosphide

Answer & Explanation Answer: C) Calcium Carbonate

Explanation:

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Filed Under: Chemistry
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'.

While an electron (1)/ carries a negative electrical (2) charge, a neutron is neutral. (3)/No Error (4)

A) 1	B) 2
C) 3	D) 4

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