Questions

Q:

Wankhede stadium is situated in

A) Chandigarh B) Madras
C) Mumbai D) Bangalore
 
Answer & Explanation Answer: C) Mumbai

Explanation:
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Filed Under: Sports

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Q:

Which sources produce alternating current (AC)?

A) Solar power plants B) Hydro-electric generators
C) Batteries D) All of the above
 
Answer & Explanation Answer: B) Hydro-electric generators

Explanation:

Alternating Current (AC) is the current in which flow of current is altered periodically whereas in DC current i.e, direct current the flow of current is only in one direction.

Some of the sources of AC current are :

1. Hydro-electric generators

2. Thermal power generators

3. Nuclear  power generators...

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Why did charles babbage invent the computer?

Answer

Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

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Q:

Which of the following serve as antibodies?

A) Proteins B) Lipids
C) Carbohydrates D) Nucleic acids
 
Answer & Explanation Answer: A) Proteins

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

What is the difference between Thermal Energy and Heat Energy?

Answer

Energy tranfer takes place either by means of Heat or Work only in Thermodynamics.


Heat :: Heat Energy is defined as Energy that can be transferred due to temperature change.


Whereas


Thermal Energy :: Thermal Energy is the Internal Energy stored in the system maintained at a certain Temperature.

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Subject: Physics Exam Prep: AIEEE , Bank Exams
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Q:

The Ghazal queen of india who was awarded Padma Bhushan posthumously in 1975 is_________

Answer

Begum Akhtar

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Q:

An Oxe-bow lake is a ______

A) lake formed behind an off-shore bar B) lake occupying a volcanic crater
C) lake formed due to cut off meander D) lake occupying a hollow scooped by a glaqcier
 
Answer & Explanation Answer: C) lake formed due to cut off meander

Explanation:
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Filed Under: World Geography

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Q:

Is rusting a physical or chemical change?

Answer

In chemistry rusting is called as oxidation. Oxidation is a chemical process where metal gains oxygen and become oxide. In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust.


The rusting of iron is a chemical change because it is two substances reacting together to make a new substance. 


 


Rusting would only be a physical change if iron molecules remained pure iron throughout the process.

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