Q:

The first thermionic valve was invented by

A) Thomas Edison	B) Richardson
C) J.A. Fleming	D) Lee De Forest

Answer & Explanation Answer: C) J.A. Fleming

Explanation:

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Filed Under: Inventions

1 5344

Q:

Legacy data is which of the following?

A) Data contained in a newly-installed system	B) Data rejected during the installation of a new system
C) Data contained in a file system	D) Data contained by a system used prior to the installation of a new system

Answer & Explanation Answer: D) Data contained by a system used prior to the installation of a new system

Explanation:

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Filed Under: Database

2 5343

Q:

What is the bond order of N2+?

A) 3	B) 1.5
C) 2.5	D) 2

Answer & Explanation Answer: C) 2.5

Explanation:

Bond Order = 1/2[ Nb - Na]

where

Nb = Number of electrons in bonding molecular orbitals.

Na = Number of Electrons in antibonding molecular orbitals

Bond Order of N2⁺:

Total number of electrons: 13

Electronic Configuration= :σ1s² σ*1s² σ2s² σ*2s² π 2py² [π2pz² σ2px1 ]

Bond Order = [9-4]/2 = 5/2 = 2.5.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

5 5340

Q:

As you go down into a well, your weight

A) increases slightly	B) decreases slightly
C) remains exactly the same	D) none of these

Answer & Explanation Answer: B) decreases slightly

Explanation:

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Filed Under: General Science

18 5339

Q:

Learned indian classical vocalists do not like the accompaniment of a harmonium because

A) tempered scale is used in the harmonium	B) diatonic scale is used in the harmonium
C) notes of the harmonium are too shrill	D) intensity of the notes of the harmonium is too large

Answer & Explanation Answer: A) tempered scale is used in the harmonium

Explanation:

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Filed Under: Physics

7 5336

Q:

'The Peloponnesian war' was fought between _______ and _____

A) Sparta and Iran	B) Sparta and Athens
C) Athens and Iran	D) Athens and Asia Minor

Answer & Explanation Answer: B) Sparta and Athens

Explanation:

The Peloponnesian war, between Athens and Sparta from 431 to 404 BC ended in the defeat of Athens and the destruction of her democracy. Athens became a subject state of sparta. This war marked the beginning of the end of the "Glory that was Greece".

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Filed Under: World History

9 5336

Q:

Nickname of Jayaprakash Narayan?

A) Lok Pal	B) Lok Nayak
C) Lokansh	D) Lok Satta

Answer & Explanation Answer: B) Lok Nayak

Explanation:

nickname_of_jayaprakash_narayan1561466732.jpg image

Jayaprakash Narayan was an Indian independence activist, theorist, socialist and political leader who is popularly known as Lok Nayak.

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Filed Under: Famous Personalities
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

2 5334

Q:

Parasec is ythe unit of

A) distance	B) time
C) intensity of light	D) magnetic line

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