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.

 

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams , CAT

0 1521
Q:

The velocity of light in vacuum is

A) 3 x 108 m/s B) 2 x 108 m/s
C) 3 x 107 m/s D) 3 x 106 m/s
 
Answer & Explanation Answer: A) 3 x 108 m/s

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1521
Q:

Which of the following is not a method of estimating national income?

A) Expenditure method B) Output method
C) D) Matrix method
 
Answer & Explanation Answer: C)

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Awareness
Exam Prep: Bank Exams

0 1521
Q:

"World Economic Outlook" report is published by which of the following ?

A) IMF B) World Bank
C) RBI D) UNCTAD
 
Answer & Explanation Answer: A) IMF

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Awareness
Exam Prep: Bank Exams

0 1521
Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

All this suggests the intimate relations which exist between history, politics, and sociology. The ____________ thing, however, is not the identities but the distinctions.For, however much the _____________ disciplines may, in practice, overlap, it is necessary ________ the sake of clear thinking to have their limits defined. As far _______sociology and history are concerned the differences may be summed up in a word. __________ history and sociology are concerned with the life of man as man.

 

 

it is necessary ________ the sake of clear thinking

 

A) for B) of
C) to D) from
 
Answer & Explanation Answer: A) for

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 1521
Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

Anti­apartheid activist Desmond Tutu is even more hard­headed when he says, "In almost ____________ language, the most difficult words are 'I am sorry’." Mr. Tutu adds that ______________ reconciliations can only lead to spurious healing. _____________ him forgiveness is a wager, an ethical wager on the future of ______________ relationship. This is why the few events of apology which stand up to _____________ scrutiny deserve to be treasured.

 

an ethical wager on the future of ______________ relationship.

 

A) the B) a
C) them D) him
 
Answer & Explanation Answer: B) a

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 1521
Q:

Ethylene is a ______ molecule.

A) polar B) ionic
C) covalent D) nonpolar
 
Answer & Explanation Answer: D) nonpolar

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

3 1521
Q:

Which of these cities located in the state of Gujarat is famous for its diamond industry?

A) Vadodara B) Ahmedabad
C) Rajkot D) Surat
 
Answer & Explanation Answer: D) Surat

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography
Exam Prep: Bank Exams

3 1521