Questions

Q:

Why does'nt the hydrogen atom emit X-rays?

A) It is very small in size B) It has only one electron
C) Its energy levels are very close to each other D) it is highly electropositive
 
Answer & Explanation Answer: C) Its energy levels are very close to each other

Explanation:

For an atom to emit X-rays it should have difference in energy levels

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Filed Under: Physics

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Q:

Which statement about interstate compacts is true?

A) States cannot form compacts with foreign states. B) They may involve no more than two states.
C) Congress generally must approve interstate compacts. D) Most are between the national government and foreign states.
 
Answer & Explanation Answer: C) Congress generally must approve interstate compacts.

Explanation:

Agreements made between two or more states are known as Interstate compacts. These may involve several states.

 

* Congress generally must approve interstate compacts.

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Filed Under: Indian Politics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Light year is a unit of

A) time B) speed of light
C) distance D) mass
 
Answer & Explanation Answer: C) distance

Explanation:
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Filed Under: Physics

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Q:

The first effective vaccine against polio was prepared by ?

A) Robert Edwards B) James Simpson
C) H Gibbon D) Jonas E Salk
 
Answer & Explanation Answer: D) Jonas E Salk

Explanation:
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Filed Under: Inventions
Exam Prep: AIEEE
Job Role: Bank Clerk

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Q:

GUI stands for

A) Graphical Universal Interface B) Graph Use Interface
C) Graphical Unique Interface D) Graphical User Interface
 
Answer & Explanation Answer: D) Graphical User Interface

Explanation:

GUI stands for Graphical User Interface.

 

A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.

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Q:

Solve this logical Math puzzle?

logical_thinking_puzzle1536132282.jpg image

Answer

Let that something be 'x'


From the given data,


x + x/5 = 21


5x + x/5 = 21


6x = 21 x 5


=> x = 17.5


 


Hence, that something is x = 17.5.

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Q:

Kurukshetra , the sence of the epic battle between Kauravas and pandavas, is situated in 

A) Gujarat B) Punjab
C) Uttar Pradesh D) Haryana
 
Answer & Explanation Answer: D) Haryana

Explanation:
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Filed Under: Indian History

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Q:

One of the following sites from where the famous Bullseal of Indus Valley Civilization was found

A) Harappa B) Chanhudaro
C) Lothal D) Mohenjodaro
 
Answer & Explanation Answer: A) Harappa

Explanation:
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Filed Under: Indian History

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