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

0 802

Q:

If the resistance of a conductor is doubled, the current gets halved. This is because

A) I = V - R	B) I = V/R
C) I = Rn/V	D) I = VR

Answer & Explanation Answer: B) I = V/R

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

0 802

Q:

______ is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.

A) Lunar year	B) Sidereal year
C) Solar year	D) Tropical year

Answer & Explanation Answer: B) Sidereal year

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

1 802

Q:

In terms of size, Venus ranks no. ___ in our Solar System.

A) 5	B) 6
C) 7	D) 8

Answer & Explanation Answer: B) 6

Explanation:

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Filed Under: General Science
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0 802

Q:

Which of the following committees has been constituted by Insurance Regulatory and Development Authority (IRDAI) to review regulations governing the Insurance Marketing Firms (IMF)?

A) Balwant Rai Mehta Committee	B) Veerappa Moily Committee
C) Ashok Chavan Committee	D) Sachar Committee

Answer & Explanation Answer: D) Sachar Committee

Explanation:

The Insurance Regulatory and Development Authority (IRDAI) has set up a 10-member committee headed by Suresh Mathur (ED-IMF, IRDAI) to review norms related to Insurance
Marketing Firms (IMF) with an aim to increase insurance penetration in the country.

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 802

Q:

Which one of the following issues was included in the Indo-US Nuclear Agreement of 2007?

A) India has 'advance right to reprocess' US-origin safeguarded spent fuel.	B) India did not have the right to build a strategic fuel reserve with the help of the other supplier countries
C) India should not test a nuclear device	D) The US will impede with the growth of India's nuclear weapons programme.

Answer & Explanation Answer: C) India should not test a nuclear device

Explanation:

The deal would indirectly bring India under purview of NSG and US laws that would not allow India to conduct nuclear test in the future. The issue of nuclear test was later clarified as the moratorium on nuclear test was unilateral and voluntary and there was no pressure on India from outside.

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Filed Under: General Awareness
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0 802

Q:

Myopia is a defect of eyes which is also known as

A) Far Sightedness	B) Near Sightedness
C) Astigmatism	D) Night Blindness

Answer & Explanation Answer: B) Near Sightedness

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

3 802

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.

Books are our ______ friends. They are our guides. We can learn everything from them. The books contain all the great ______ of the world's leaders and we can learn them by reading the books. The books help us find ______ to our questions. The books never fail us. We should read as ______ books as we can. But all books are not good. So we should ______ only good books. Books are our ______ friends.

A) fake	B) original
C) real	D) majestic

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