Questions

Q:

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

 

A) 39 nanoseconds B) 43 attoseconds
C) 15 picoseconds D) 57 microseconds
 
Answer & Explanation Answer: B) 43 attoseconds

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Filed Under: Physics
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Q:

Name the international treaty designed to protect the ozone layer from CFCs.

A) Sigma protocol B) Montreal protocol
C) Ozone protocol D) Green protocol
 
Answer & Explanation Answer: B) Montreal protocol

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Filed Under: General Science
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Q:

The metal that can be cut with a knife is

A) Sodium B) Iron
C) Aluminium D) Copper
 
Answer & Explanation Answer: A) Sodium

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Filed Under: Chemistry
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Q:

The change in the optimal quantity of a good when its price changes and the consumer’s income is adjusted so that she can just buy the bundle that she was buying before the price change is called?

A) Law of demand B) Substitution effect
C) Problem of choice D) Optimal choice
 
Answer & Explanation Answer: B) Substitution effect

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Filed Under: Indian Economy
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Q:

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?

A) 18 B) 17
C) 16 D) 15
 
Answer & Explanation Answer: B) 17

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Filed Under: Chemistry
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Q:

___________ is a collection of architectural astronomical instruments, built by Maharaja Jai Singh II.

A) Jantar Mantar, Delhi B) Group of Monuments at Hampi
C) Group of Monuments at Pattadakal D) Nalanda, Bihar
 
Answer & Explanation Answer: A) Jantar Mantar, Delhi

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Filed Under: Indian History
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Q:

What is the capital of Finland?

A) Tashkent B) Helsinki
C) Bern D) Dublin
 
Answer & Explanation Answer: B) Helsinki

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Filed Under: World Geography
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Q:

Who amongst the following is the author of the book "Rekha : The untold story" a biography on a veteran actress Rekha?

A) Yasser Usman B) Anand Neelakantan
C) Ram Kamal Mukherjee D) K. Vijay Kumar
 
Answer & Explanation Answer: A) Yasser Usman

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Filed Under: Books and Authors
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