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:

Nautical miles to km formula

Answer

km ÷ 1.852 = nautical miles

Hence, 1 nmi = 1.852 km.

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Subject: Physics Exam Prep: CAT , Bank Exams

1 782

Q:

Which of the following is NOT a metamorphic rock?

A) Slate	B) Schist
C) Diorite	D) Phyllite

Answer & Explanation Answer: C) Diorite

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Which of the following is NOT an effect of Noise Pollution?

A) Death of Animals	B) Tinnitus
C) Hypertension	D) Ozone Depletion

Answer & Explanation Answer: D) Ozone Depletion

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

In which year Bhutan adopted its Constitution?

A) 2004	B) 2006
C) 2008	D) 2010

Answer & Explanation Answer: C) 2008

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

How many Indian States and Union Territories share the Indian coastline?

A) 9 States and 5 Union Territories	B) 12 States and 3 Union Territories
C) 7 States and 5 Union Territories	D) 5 States and 3 Union Territories

Answer & Explanation Answer: A) 9 States and 5 Union Territories

Explanation:

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Filed Under: Indian Geography
Exam Prep: Bank Exams

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Q:

With which country, India has the longest international boundary?

A) Nepal	B) Pakistan
C) China	D) Bangladesh

Answer & Explanation Answer: D) Bangladesh

Explanation:

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Filed Under: Indian Geography
Exam Prep: Bank Exams

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Q:

Shimla is the capital of which Indian State?

A) Chattisgarh	B) Goa
C) Himachal Pradesh	D) Jharkhand

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