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:

Two identical resistors, each of 10 ohm, are connected in parallel. This combination, in turn, is connected to a third resistor of 10 ohm. The equivalent resistance of the combination is ___.

A) 30 ohm B) 5 ohm
C) 15 ohm D) 10 ohm
 
Answer & Explanation Answer: C) 15 ohm

Explanation:
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Q:

___ is a unit of length, roughly the distance from Earth to the Sun.

A) Light years B) Astronomical unit
C) Kelvin D) Joule
 
Answer & Explanation Answer: B) Astronomical unit

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:

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

 


When I think of my family's history on the land. I experience a pang of regret. Unlike much of the arid West, where the land has gone virtually unchanged for centuries, my place of origin, western Kansas, has been torn up by agriculture. The flat plains, excellent soil, and sparse but just adequate rainfall permitted farming; therefore farming prevailed, and a good 90% of the original sod prairie is gone. The consequence, in human terms, is that our relationship to our place has always felt primarily mercantile. We used the land and denied, or held at bay, its effect on us. Yet from my earliest childhood, when the most of the Kansas prairie was still intact, I 've known that the land also had a romantic quality. I've felt moved by the expanse of it , enthralled by size. I take pride in my identity as a plains daughter.

 

What factor changed the entire landscape of Kansas?

 

A) wind B) heat
C) agriculture D) flooding
 
Answer & Explanation Answer: C) agriculture

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

 

Get on somebody's nerves

 

A) To calm an anxious person. B) To be an irritant.
C) To crack jokes at somebody's expense. D) Be angry with yourself but take out the anger on somebody else.
 
Answer & Explanation Answer: B) To be an irritant.

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

All of us have admired some writers, ______________ their work over that of others for their writing style as much as for the content of their work. ____________ writer who has, for more than half a century, _______________ for his searing honesty is George Orwell. He is recondite, but he is never ________________. He says it as it is and yet says it as it has not been said ____________.

 

All of us have admired some writers, ______________ their work

 

A) preferring B) preferred
C) having preferred D) had preferred
 
Answer & Explanation Answer: B) preferred

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

______ great was achieved by an individual without enthusiasm and interest.

 

A) Nothing B) Something
C) Everything D) Anything
 
Answer & Explanation Answer: A) Nothing

Explanation:
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