Questions

Q:

Who was the first Speaker of Lok Sabha?

A) G. V. Mavalankar B) Sarvepalli Radhakrishnan
C) M. Ananthasayanam Ayyangar D) M. Ananthasayanam Ayyangar
 
Answer & Explanation Answer: A) G. V. Mavalankar

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Q:

If any Fundamental Right of a citizen is breached then under Article 226 of Indian Constitution he can move to ______.

A) Prime Minsiter of India B) Chief Justice of India
C) President of India D) High Court of State
 
Answer & Explanation Answer: D) High Court of State

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Q:

On 26 July 2017, the Parliament passed the Collection of Statistics (Amendment) Bill, 2017. This Bill extends jurisdiction of the act to which state?

A) Manipur B) Assam  
C) Jammu and Kashmir D) Nagaland
 
Answer & Explanation Answer: C) Jammu and Kashmir

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Q:

Find the potential energy gained by a body of mass 25 kg, if it is raised by 5 m. (use g = 10 m/s2)

A) 1250 B) 50
C) 625 D) 25
 
Answer & Explanation Answer: A) 1250

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Q:

Sunspots appear dark because they are

A) hotter than the rest of the Sun's surface. B) more magnetic than the rest of the Sun's surface. 
C) cooler than the rest of the Sun's surface. D) None of the above
 
Answer & Explanation Answer: C) cooler than the rest of the Sun's surface.

Explanation:

Sunspots are a magnetic phenomenon on the Sun.

The reason a sunspot appears dark is that they are cooler than the rest of the Sun's surface and also the gas inside the spot where the magnetic field is strongest is only emitting about 1/4 as much light as from the rest of the solar surface. 

 

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Q:

The SI unit of momentum is _____________.

A) kilogram-metre per second B) kilogram-metre per second
C) kilogram-metre-second D) kilogram-metre-second squared
 
Answer & Explanation Answer: A) kilogram-metre per second

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Q:

Which of the following devices converts Chemical energy into Electrical energy?

A) Electric heater B) Electric fan
C) Hair dryer D) Electric cell
 
Answer & Explanation Answer: D) Electric cell

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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

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