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

0 1174

Q:

When a compressed slinky is released it converts potential energy into

A) Heat energy	B) Mechanical energy
C) Chemical energy	D) Kinetic energy

Answer & Explanation Answer: D) Kinetic energy

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

1 1174

Q:

Alarms from 3 different clocks sound after every 2, 4 and 6 hours, respectively. If the clocks are startedat the same 6 time, how many times do the alarms ring together in 3 days?

A) 6	B) 3
C) 9	D) 2

Answer & Explanation Answer: A) 6

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

If a mirror is placed on the line AB, then which of the answer figure is the right image of the given figure?

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

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Non Verbal Reasoning

0 1174

Q:

Who among the following is not a Bharat Ratna recipient?

A) Bhimsen Joshi	B) A.R. Rahman
C) Lata Mangeshkar	D) M.S. Subbalakshmi

Answer & Explanation Answer: B) A.R. Rahman

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

Sunita Williams is a

A) Astronaut	B) Missile scientist
C) Nuclear scientist	D) Astro physicist

Answer & Explanation Answer: A) Astronaut

Explanation:

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Filed Under: Famous Personalities

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Q:

Khajuraho Group of monuments are attributed to which dynasty?

A) Chandela	B) Mughal
C) Maurya	D) Shunga

Answer & Explanation Answer: A) Chandela

Explanation:

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Filed Under: Indian History
Exam Prep: Bank Exams

1 1174

Q:

World famous Kaieteur Falls is situated on which river?

A) Potaro	B) Mississippi
C) St. Lawrence	D) Zambezi

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