Q:

The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.

A) 7	B) 5
C) 4	D) 6

Answer & Explanation Answer: B) 5

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Filed Under: Chemistry
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Q:

The lengths of the two diagonals of a rhombus are 5 cm and 12 cm. Find its area (in $c m^{2}$ )

A) 30	B) 15
C) 60	D) 45

Answer & Explanation Answer: A) 30

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

What is the name of the book which was awarded the golden man Booker Prize 2018?

A) The English Patient	B) Everything Under
C) The Long Take	D) Washington Black

Answer & Explanation Answer: A) The English Patient

Explanation:

The English Patient by Michael Ondaatje (Bloomsbury) was crowned the best work of fiction from the last five decades of the Man Booker Prize, announced on Sunday 8 July, 2018. The Golden Man Booker winner was revealed at the closing event of the Man Booker 50 Festival in Royal Festival Hall at Southbank Centre.

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Filed Under: Books and Authors
Exam Prep: Bank Exams , CAT

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Q:

Who discovered X-Ray?

A) Wilhelm Rontgen	B) William Lee
C) X Rollswick	D) I Thompson

Answer & Explanation Answer: A) Wilhelm Rontgen

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Q:

Which of the following awards is given in the field ofliterature?

A) Arjuna Award	B) Ashok Chakra
C) Vyas Samman	D) Bharat Award

Answer & Explanation Answer: C) Vyas Samman

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Filed Under: Honours and Awards
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Q:

To whom the Nobel Prize in Physiology or Medicine 2016 was awarded?

A) David J. Thouless	B) Yoshinori Ohsumi
C) J. Michael Kosterlitz	D) Sir J. Fraser Stoddart

Answer & Explanation Answer: B) Yoshinori Ohsumi

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Q:

Which chef was awarded the Padma Shri in 2017 for his culinary contributions?

A) Madhur Jaffrey	B) Ranveer Brar
C) Sanjeev Kapoor	D) Vikas Khanna

Answer & Explanation Answer: C) Sanjeev Kapoor

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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

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