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Q:

In the gamma decay of a nucleus

A) the mass number of the nucleus changes whereas its atomic number does not change B) the mass number of the nucleus does not change whereas its atomic number changes
C) both the mass number and the atomic number of the nucleus change D) neither the mass number nor the atomic number of the nucleus changes
 
Answer & Explanation Answer: D) neither the mass number nor the atomic number of the nucleus changes

Explanation:

The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable)

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Q:

The shortest distance measured from the initial to the final position of an object is known as the _________________.

A) motion B) direction
C) velocity D) displacement
 
Answer & Explanation Answer: D) displacement

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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

Due to heavy rains, the match was called _____.

A) of B) off
C) down D) out
 
Answer & Explanation Answer: B) off

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Q:

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

 

The seamy side

A) on the right side B) unpleasant aspect
C) visible aspects D) on the left side of something
 
Answer & Explanation Answer: B) unpleasant aspect

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.
dead ringer

A) a competition whose outcome is already decided (by unfair means) B) a candidate fraudulently substituted for another in a competition
C) a person who was in a situation to warn others is now missing D) a warning which comes too late, after the damage is done
 
Answer & Explanation Answer: B) a candidate fraudulently substituted for another in a competition

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

 

Sushmita divorced her husband.

A) Her husband is divorced by Sushmita. B) By Sushmita her husband is divorced.
C) Divorcing of her husband was done by Sushmita. D) Her husband was divorced by Sushmita.
 
Answer & Explanation Answer: D) Her husband was divorced by Sushmita.

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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

Really speaking, no man is perfect

A) Strictly B) slightly
C) vaguely D) No improvement
 
Answer & Explanation Answer: A) Strictly

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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.

 

Chicken out

 

A) Quickly move from one position to another in a game of chess or war. B) Be a lover of non vegetarian delicacies.
C) Be easily confused over small issues. D) To decide not to do something because you are too frightened.
 
Answer & Explanation Answer: D) To decide not to do something because you are too frightened.

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