Questions

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:

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%

Explanation:
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Q:

The quantum theory of light was given by

A) Einstein B) Newton
C) Plank D) Faraday
 
Answer & Explanation Answer: C) Plank

Explanation:
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Q:

Shah Jahan (1627–1657 AD) was the ruler of which dynasty?

A) Mughal B) Nanda
C) Maurya D) Haryanka
 
Answer & Explanation Answer: A) Mughal

Explanation:
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Filed Under: Indian History
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Q:

Who were the first among the following to establish trade relations with India?

A) Dutch B) French
C) English D) Portuguese
 
Answer & Explanation Answer: D) Portuguese

Explanation:
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Filed Under: Indian History
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Q:

The Charter of Liberties - popularly known as 'The Magna Carta' - was signed in England in which year?

A) 1415 AD B) 1315 AD
C) 1215 AD D) 1115 AD
 
Answer & Explanation Answer: C) 1215 AD

Explanation:
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Q:

In  which  one  of  the  following  cities  are the  Summer  Olympics,  2020  going  to  be held?

A) London B) Paris
C) Tokyo D) Moscow
 
Answer & Explanation Answer: C) Tokyo

Explanation:
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Q:

Which of the following IAF man has been posthumously awarded Ashoka Chakra, the country’s highest peace time gallantry medal?

 

A) Rajinder Kumar B) Jyoti Prakash Nirala
C) Harshvardhan Negi D) Anant Thakur
 
Answer & Explanation Answer: B) Jyoti Prakash Nirala

Explanation:
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Filed Under: Honours and Awards
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