Questions

Q:

One step in the production of hydroelectric power involves _____.

A) falling water that turns a turbine  B) electric current flowing across a dam
C) hot water from under the ground D) tides that pour through a barrier dam
 
Answer & Explanation Answer: A) falling water that turns a turbine 

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Q:

What is the SI unit of Charge?

A) Coulomb B) Amperes
C) Watts D) Joules
 
Answer & Explanation Answer: A) Coulomb

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Q:

An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is

A) 49 J B) 10 J
C) 19.6 J D) 98 J
 
Answer & Explanation Answer: D) 98 J

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Q:

Which is the brightest star in our night sky?

A) Canopus B) Sirius A
C) Vega D) Spica
 
Answer & Explanation Answer: B) Sirius A

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Q:

An amendment of the constitution may be initiated ___

A) by introduction by the President of India. B) by introduction of a Bill in Rajya Sabha.
C) by the Governors of States. D) by the introduction of a bill in either House of Parliament.
 
Answer & Explanation Answer: D) by the introduction of a bill in either House of Parliament.

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Q:

On January 16, 2018 the Supreme Court ruled the attacks and interference on adults opting for inter-caste marriage as ‘absolutely illegal’ in the petition filed by which NGO in 2010?

 

A) PRATHAM B) Shakti Vahini
C) Goonj D) Sammaan
 
Answer & Explanation Answer: B) Shakti Vahini

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Q:

The rate of change of velocity is called

A) Momentum B) Speed
C) Acceleration D) Force
 
Answer & Explanation Answer: C) Acceleration

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Q:

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

 

A) 513 m B) 644 m
C) 342 m D) 171 m
 
Answer & Explanation Answer: A) 513 m

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