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:

If an object is placed at the center of curvature of a concave mirror, then the image formed will be

A) virtual and enlarged	B) virtual and diminished
C) real and of the same size	D) real and enlarged

Answer & Explanation Answer: C) real and of the same size

Explanation:

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Exam Prep: Bank Exams

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Q:

There is a protocol signed to reduce production of CFC, known as

A) CFC Protocol	B) IR Protocol
C) Montreal Protocol	D) UV Protocol

Answer & Explanation Answer: C) Montreal Protocol

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Thermal electricity is generated by using which of these ?

A) Coal only	B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum	D) None of these

Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

Explanation:

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Exam Prep: Bank Exams

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Q:

In bio fortification technique plant breeders use breeding to overcome

A) Loss due to insect pests	B) Decrease in food production
C) Deficiencies of micronutrients and vitamins	D) Loss due to plant diseases

Answer & Explanation Answer: C) Deficiencies of micronutrients and vitamins

Explanation:

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Q:

ICC World T20 in 2016 was won by

A) India	B) England
C) New Zealand	D) West Indies

Answer & Explanation Answer: D) West Indies

Explanation:

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Filed Under: Sports
Exam Prep: Bank Exams

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Q:

Who among the following was honored with the "Hridaynath Mangeshkar Award-2017" in October 2017?

A) Salim Khan	B) Javed Akhtar
C) Nana Patekar	D) Mahesh Bhatt

Answer & Explanation Answer: B) Javed Akhtar

Explanation:

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Filed Under: Honours and Awards
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'.

If you are in the wrong gears (A)/the car won't be (B)/able to climb the hill.(C)/No error(D)

A) A	B) B
C) C	D) D

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