Questions

Q:

Quality of transmission depends upon

A) Nature of signal only B) Nature of medium only
C) Both (A) and (B) D) Neither A nor B
 
Answer & Explanation Answer: C) Both (A) and (B)

Explanation:

Quality of transmission is governed both by nature of signal and nature of communication channel/medium.

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Filed Under: Physics
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Q:

Can you name the four days of the week that begin with the letter T?

Answer

Today, Tomorrow, Tuesday and Thursday.

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Subject: Logic Puzzles Exam Prep: Bank Exams

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Q:

The output quality of a printer is measured by

A) Dots per line B) Dots printed per unit time
C) Dots per inch D) All of the above
 
Answer & Explanation Answer: C) Dots per inch

Explanation:

DPI [Dots Per Inch] is a measurement of output quality of printer resolution. It represents number of ink dots the printer can place in an area of one square inch. The lesser the DPI the less sharper the image and vice versa.

 

Therefore, a printer that may have 400 DPI, a printer that can print 400 x 400 per square inch or 1,60,000 dots per inch.

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Q:

The reactivity of an atom arises from 

A) the existence of unpaired electrons in the valence shell B) the energy differences between the electron shells
C) the sum of the potential energies of all the electron shells D) the average distance of the outermost electron shell from the nucleus
 
Answer & Explanation Answer: A) the existence of unpaired electrons in the valence shell

Explanation:

When atoms react they do so in order to reach the lowest energy, which is the most stable. The electrons orbitals will overlap in the way that reduces the energy the most. Orbitals of similar energy will produce the greatest stabilisation.The answer you gave isn't the whole story, it depends what species is reacting with what. The effective nuclear charge on the atom will affect the energy of the valance electrons.

 

Hence, the reactivity of an atom arises from the existence of unpaired electrons in the valence shell.

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Filed Under: Chemistry
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Q:

Who is known as Barefoot Painter

Answer

M.F.Hussain

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Subject: Indian Culture

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Q:

The magnetic moment (spin only) of  [NiCl4]2-is

A) 1.41 BM B) 1.82 BM
C) 5.46 BM D) 2.82 BM
 
Answer & Explanation Answer: D) 2.82 BM

Explanation:

Hybridisation of Ni is e-  

Unpaired 3d8in  is 2 

So Ω = n(n+2)BM=2x4 = 8 = 2.82BM

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Filed Under: Chemistry
Exam Prep: AIEEE

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Q:

The Programme of Swadeshi and Boycott against the partition of Bengal was visualised by

A) Surendra Nath Bennerjee B) BC Pal
C) Aurobindo Ghose D) Ras Behari Bosh
 
Answer & Explanation Answer: A) Surendra Nath Bennerjee

Explanation:
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Filed Under: Indian History

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Q:

The Largest Component of National Income is

A) Proprietors Income B) Compensation of Employees
C) Corporate Profits D) Rental Income
 
Answer & Explanation Answer: B) Compensation of Employees

Explanation:

National Income is the total income value of the goods and services produced by the residents of a country, usually during the period of one year.

National Income is categorized into 6 components. They are :

1. Compensation of Employees (Wages and Benefits)
2. Corporate Profits
3. Rental Income
4. Proprietors Income (Income of unincorporated business)
5. Net Interest

The Largest Component of National Income is Compensation of Employees.

 

The Largest component of National Income in India is Service Sector.

 

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Filed Under: Indian Economy
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