Questions

Q:

A solar eclipse occurs when

A) moon comes in the middle of sun and earth B) sun comes in the middle of moon and earth
C) earth comes in the middle of moon and sun D) All of the above
 
Answer & Explanation Answer: A) moon comes in the middle of sun and earth

Explanation:

A solar eclipse happens when the moon gets in the way of the sun's light and casts its shadow on Earth. Solar eclipses happen when the New Moon comes between the Sun and Earth and blocks out the Sun's rays.

 

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Q:

The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.

A) MR B) M/R2
C) M2/R D) M/R
 
Answer & Explanation Answer: B) M/R2

Explanation:
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Q:

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

 

A) 6400   B) 1280  
C) 640   D) 3200
 
Answer & Explanation Answer: B) 1280  

Explanation:
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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

Explanation:
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Q:

‘Mentor India’ Compaign is an initiative to engage leaders who can guide and mentor students at ‘Atal Tinkering Labs’ across the country. Who launched‘Mentor India’ Campaign?

A) NASSCOM B) ASSOCHAM
C) NITI Aayog D) SEBI
 
Answer & Explanation Answer: C) NITI Aayog

Explanation:
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Q:

What is the minimum age for getting elected to the Lok Sabha?

A) 18 B) 21
C) 16 D) 25
 
Answer & Explanation Answer: D) 25

Explanation:
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Q:

Who is the Deputy Chief Minister of Bihar as of February 2018?

A) Lalu Prasad Yadav B) Ram Vilas Paswan
C) Shatrughan Sinha D) Sushil Kumar Modi
 
Answer & Explanation Answer: D) Sushil Kumar Modi

Explanation:
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Q:

The data collected from which one of the following methods is not a primary data?

A) By direct personal interviews B) By indirect personal interviews
C) By schedules sent through enumerators D) From published thesis
 
Answer & Explanation Answer: D) From published thesis

Explanation:
Primary data is information that you collect specifically for the purpose of your research project.
An advantage of primary data is that it is specifically tailored to your research needs. A disadvantage is that it is expensive to obtain.
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