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Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)  :  Diamond is used for cutting glass. 

Reason (R)     :  Diamond has a high refractive index. 

A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false. D) A is false but R is true.
 
Answer & Explanation Answer: B) Both A and R are true but R is NOT the correct explanation of A.

Explanation:

Diamond is very hard due to its rigid three dimensional structure and so, it is used for cutting glass. Refractive index of diamond is high and gives it the greater transparency and brilliance. 

 

 

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Filed Under: Assertion and Reason

Q:

The International Court of justice is located at

A) Geneva B) Hague
C) Amesterdam D) Vienna
 
Answer & Explanation Answer: B) Hague

Explanation:
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Filed Under: World Organisations

Q:

Ravi Varma is famous in which of the following fields?

A) Dancing B) Sculpture
C) Painting D) Singing
 
Answer & Explanation Answer: C) Painting

Explanation:

he is famous in painting

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Filed Under: Indian History

Q:

The schools which taught primary education to Muslims during the period of sultanate

A) Mukhaddams B) Makthabs
C) Kohies D) None
 
Answer & Explanation Answer: B) Makthabs

Explanation:

Makthabs taught the primary education to muslims during the period of sultanate

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Filed Under: World History

Q:

Jamini Roy is a famous

A) Dancer B) Magician
C) Cartoonist D) Painter
 
Answer & Explanation Answer: D) Painter

Explanation:
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Filed Under: Famous Personalities

Q:

Which key word is to be used to tell the JVM to skip the variable while performing the serialization process of the object containing it?

A) Transcient B) Volatile
C) Static D) Final
 
Answer & Explanation Answer: A) Transcient

Explanation:

If you mark an instance variable as transient, you're telling the JVM to skip (ignore) this variable when you attempt to serialize the object containing it.

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Filed Under: Java

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)  :    Leakages in household gas cylinders can be detected. 

Reason (R)     :    LPG has a strong smell. 

A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false. D) A is false but R is true.
 
Answer & Explanation Answer: C) A is true but R is false.

Explanation:

Leakages in household gas cylinders can be detected because of the strong smell of ethyl merceptan mixed with LPG. 

 

 

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Filed Under: Assertion and Reason

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion(A)  : Graphite is slippery and used as a lubricant. 

Reason (R)    : Graphite has free electrons. 

A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false. D) A is false but R is true.
 
Answer & Explanation Answer: B) Both A and R are true but R is NOT the correct explanation of A.

Explanation:

Graphite possesses a layer structure with two successive layers held by weak forces and able to slide over one another. So, graphite is slippery and this property finds its use as a lubricant. In graphite, each carbon atom is linked to three other carbon atoms while one electron in the carbon atom is delocalised. So, graphite has free electrons 

 

 

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Filed Under: Assertion and Reason