Q:

Warm air is ______.

A) heavier than cold air hence warm air rises up	B) lighter than cold air hence warm air moves down
C) lighter than cold air hence warm air rises up	D) heavier than cold air hence warm air moves down

Answer & Explanation Answer: C) lighter than cold air hence warm air rises up

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

0 1429

Q:

What is the unit of the physical quantity "Capacitance"?

A) weber	B) farad
C) tesla	D) ohm

Answer & Explanation Answer: B) farad

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Filed Under: Physics
Exam Prep: Bank Exams

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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 1429

Q:

The Indian State of Sikkim does not share a border with which neighbouring country?

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

Answer & Explanation Answer: B) Bangladesh

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Filed Under: Indian Geography
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Q:

What is the chemical name of chalk?

A) Calcium Sulphate	B) Calcium Nitrate
C) Calcium Carbonate	D) Calcium Phosphide

Answer & Explanation Answer: C) Calcium Carbonate

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Majority of the fungal bionts of lichens belong to

A) Baridiomycetes	B) Ascomycetes
C) Gomycetes	D) Deuteromycetes

Answer & Explanation Answer: B) Ascomycetes

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Filed Under: Biology
Exam Prep: Bank Exams

2 1429

Q:

Who was the founder of the Indian Reform Association in 1870?

A) Debendranath Tagore	B) Keshab Chandra Sen
C) Rammohan Roy	D) Dayanand Saraswati

Answer & Explanation Answer: B) Keshab Chandra Sen

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Filed Under: Indian History
Exam Prep: Bank Exams

1 1429

Q:

Which queen of the Kakatiya dynasty ruled over Warangal, part of modern Andhra Pradesh?

A) Rudramadevi	B) Ahilyadevi
C) Bhagwati	D) Bhanumati

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