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Q:

In total internal reflection, the light travel from

A) rarer to denser medium and it occurs with no loss of intensity B) denser to rarer medium and it occurs with no loss of intensity
C) rarer to denser medium and it occurs with loss of intensity D) denser to rarer medium and it occurs with loss of intensity
 
Answer & Explanation Answer: B) denser to rarer medium and it occurs with no loss of intensity

Explanation:

According to wave theories, for Total internal reflection tohappen: Light must travel from denser medium to rarer medium. Angle of incidence should be greater than critical angle. As in case of TIR, the image is perfectly clear, it implies that there has been no loss of intensity.

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Q:

Which instrument is used for measuring humidity of atmosphere?

A) Barometer B) Anemometer
C) Thermometer D) Hygrometer
 
Answer & Explanation Answer: D) Hygrometer

Explanation:
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Q:

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

 

He spoke as though his throat had had suffered an injury.

A) has had B) had
C) would have D) No improvement
 
Answer & Explanation Answer: B) had

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

 

A person employed to drive a private or hired car.

A) Amateur B) Chauffeur
C) Connoisseur D) Provocateur
 
Answer & Explanation Answer: B) Chauffeur

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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

To maneuver

A) To manipulate B) To proceed
C) To cease D) To machinate
 
Answer & Explanation Answer: C) To cease

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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.

To go to somebody's head

A) To have a huge ego B) To complain to the highest authority
C) To make someone dizzy or slightly drunk D) To arrive at the central point of the topic
 
Answer & Explanation Answer: C) To make someone dizzy or slightly drunk

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

 

Preserve a right, tradition, or idea in a form that ensures it will be protected and respected

A) Profane B) Sacrilege
C) Enshrine D) Blaspheme
 
Answer & Explanation Answer: C) Enshrine

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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.
to cast iron stomach

A) a very greedy person B) to be able to eat or drink anything without any problems
C) to be indifferent to harsh words D) to face so many difficulties in life that one now becomes immune to even poison
 
Answer & Explanation Answer: B) to be able to eat or drink anything without any problems

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