Questions

Q:

Which object converts electricity to light?

A) Solar panels B) Battery
C) Bulb D) All the above
 
Answer & Explanation Answer: C) Bulb

Explanation:

Bulb converts electricity to light whereas solar panel is the device which converts light to electricity.

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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

Explanation:
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Q:

UNITAR stands for -

A) United Nations Institute for Transport and Agriculture Research B) United Nations Initiative for Total Agricultural Readiness
C) United Nations Institute for Training and Research D) United Nations Initiative for Transport Readiness
 
Answer & Explanation Answer: C) United Nations Institute for Training and Research

Explanation:
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Q:

Which Indian won the 2014 Nobel Prize for Peace?

A) Kailash Satyarthi B) Malala Yousufzai
C) Sanjiv Chaturvedi D) Anshu Gupta
 
Answer & Explanation Answer: A) Kailash Satyarthi

Explanation:
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Q:

When a bullet is fired from a gun, the gun moves in the opposite direction. This illustrates Newton's

A) third law of motion B) first and second law of motion
C) first law of motion D) second law of motion
 
Answer & Explanation Answer: A) third law of motion

Explanation:
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Q:

Due to an acceleration of 1 m/s2 the velocity of a body increases from 15 m/s to 20 m/s in a certain period. Find the displacement (in m) of the body in that period.

 

A) 175 B) 625  
C) 87.5 D) 312.5
 
Answer & Explanation Answer: C) 87.5

Explanation:
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Q:

A person who writes music -

A) Lyricist B) Composer
C) Musician D) Cinematograher
 
Answer & Explanation Answer: B) Composer

Explanation:

A composer is who writes music for a song whereas a lyricist is who writes lyrics (words) for a song.

 

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Q:

The number of parliamentary seats (Lok Sabha) of Andhra Pradesh is _______.

A) 2 B) 13
C) 19 D) 25
 
Answer & Explanation Answer: D) 25

Explanation:
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