Q:

Sound waves cannot travel in

A) Vacuum	B) Water
C) Glass	D) Hydrogen gas

Answer & Explanation Answer: A) Vacuum

Explanation:

A Sound wave needs a medium for propogation. Hence, Sound cannot travel through a vacuum.

A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 10270

Q:

Prof. Amartya Sen has earned worldwide distinction in which of the following fields/areas

A) Economics	B) Geology
C) Biochemistry	D) Astrophysics

Answer & Explanation Answer: A) Economics

Explanation:

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Filed Under: Famous Personalities

20 10263

Q:

Veto power is not possessed by

A) U.K	B) U.S.A
C) Rrussia	D) West Germany

Answer & Explanation Answer: D) West Germany

Explanation:

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Filed Under: World Organisations

22 10263

Q:

Pageant is most similar in meaning to

A) Show	B) Gallant
C) Beauty	D) Sovereign

Answer & Explanation Answer: A) Show

Explanation:

Pageant is most similar in meaning to Show.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

0 10262

Q:

A benefit of using Service Design tools is?

A) To help ensure that events are detected as quickly as possible	B) To help ensure that standards and conventions are followed
C) To help enable different applications to work together	D) To help implement architectures that support the business strategy

Answer & Explanation Answer: B) To help ensure that standards and conventions are followed

Explanation:

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Filed Under: ITIL Certification

0 10259

Q:

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at –6°C will be: (Kf for water = 1.86 Kg/mol and molar mass of ethylene glycol = 62 kg/mol)

A) 204.60 g	B) 304.30 g
C) 804.32 g	D) 400.00 g

Answer & Explanation Answer: C) 804.32 g

Explanation:

$∆ T_{f} = k_{f} . m$

for ethylene glycol in aq. solution

$∆ T_{f} = k_{f} \frac{w}{m o l . w t} \times \frac{1000}{w t . o f s o l v e n t} 6 = \frac{1.86 x w x 1000}{62 x 4000}$

=> w = 800 g

So, the weight of solute should be more than 800 g.

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Filed Under: Chemistry
Exam Prep: AIEEE

8 10257

Q:

Mr.Meera Sahib Fathima Beevi is distinguished as the first lady

A) Judge of the High Court	B) Governor of a State
C) Judge of the Supreme Court	D) Gold medal winner in Sports

Answer & Explanation Answer: C) Judge of the Supreme Court

Explanation:

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Filed Under: Famous Personalities

18 10257

Q:

Which planet was named after the Roman God Zeus

A) Mars	B) Earth
C) Venus	D) Jupiter

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