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Q:

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

A) F/25 B) 5F
C) F/5 D) 25F
 
Answer & Explanation Answer: D) 25F

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Q:

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

A) 100% B) 25%
C) 50% D) 75%
 
Answer & Explanation Answer: D) 75%

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Q:

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

A) 400 J B) 50 J
C) 40 J D) 100 J
 
Answer & Explanation Answer: A) 400 J

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Q:

In December 2017, who launched ‘Livestock Disease Forewarning – Mobile Application (LDF-Mobile App)’?

A) J. P. Nadda B) Radha Mohan Singh
C) Ram Vilas Paswan D) Harsimrat Kaur Badal
 
Answer & Explanation Answer: B) Radha Mohan Singh

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Filed Under: General Awareness

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Q:

Which one among the following stars is nearest to the earth?

A) Sirius B) Arcturus
C) Spica D) Proxima Centauri
 
Answer & Explanation Answer: D) Proxima Centauri

Explanation:

Proxima Centauri is the nearest star, and on August 24, 2016 astronomers announced it likely has a planet. This star is the nearest of a triple star system, which we on Earth see with the eye alone as the single star Alpha Centauri, visible from Earth's Southern Hemisphere

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Filed Under: General Science
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Q:

The energy which we get from food is measured in

A) Calories B) Kelvin
C) Fat D) Amperes
 
Answer & Explanation Answer: A) Calories

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Q:

Who are credited to a large extent for ending the Mughal rule in India?

A) Mauryas B) Cholas
C) Guptas D) Marathas
 
Answer & Explanation Answer: D) Marathas

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Filed Under: Indian History
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Q:

In which coast was the World's largest Marine Protected Area (MPA) created in October 2016?

A) Ireland B) Italy
C) Antarctica D) Scotland
 
Answer & Explanation Answer: C) Antarctica

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Filed Under: World Geography

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