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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:

In the following question, select the odd word pair from the given alternatives.

A) Gold – Metal B) Pencil – Stationery
C) Animal – Lion D) Car – Vehicle
 
Answer & Explanation Answer: C) Animal – Lion

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

A small makeshift stage (was construct) with a red curtain for a backdrop.

A) are constructed B) was constructed
C) were constructed D) No improvement
 
Answer & Explanation Answer: B) was constructed

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

The height of a cone is 24 cm and the area of the base is 154 cm2 . What is the curved surface area (in cm2) of the cone?

A) 484 B) 550
C) 525 D) 515
 
Answer & Explanation Answer: B) 550

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 842
Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

 

Sneer

A) Praise B) Scorn
C) Mock D) Despise
 
Answer & Explanation Answer: A) Praise

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.

Varun ate six rotis at dinner.

A) At dinner, six rotis was ate by Varun. B) At dinner, six rotis were eaten by Varun.
C) At dinner, Varun had eaten six rotis. D) At dinner, had Varun eaten six rotis.
 
Answer & Explanation Answer: B) At dinner, six rotis were eaten by Varun.

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

ABC is a right angled triangle with angle A = 90 deg. Then the value of cos2A+cos2B+cos2C is

A) 2 B) 1
C) 0 D) 3
 
Answer & Explanation Answer: B) 1

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

What situation would result if Government expenditure exceeds the Government revenue on Current Account?

A) Deficit budgeting B) Zero­based budgeting
C) Performance­based budgeting D) Surplus budgeting
 
Answer & Explanation Answer: A) Deficit budgeting

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

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