Questions

Q:

The work done in one complete revolution of the moon around the earth is equal to

A) centripetal force x radius of the orbit of the moon B) gravitational force x circumference of the orbit of the moon
C) gravitational force x diameter of the orbit of the moon D) zero
 
Answer & Explanation Answer: D) zero

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Q:

If the distance travelled by an object is zero, then the displacement of the object

A) is zero B) is negative
C) is positive D) may or may not be zero
 
Answer & Explanation Answer: A) is zero

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Q:

Which of the following does NOT contribute to sparkling of diamonds?

A) Total Internal Reflection B) High Refractive Index of Diamonds
C) Dispersion D) Low Refractive Index of Diamonds
 
Answer & Explanation Answer: D) Low Refractive Index of Diamonds

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Q:

Which process is not associated with mechanical weathering?

A) reactions with oxygen B) frost wedging
C) biological oxygen activity D) unloading
 
Answer & Explanation Answer: A) reactions with oxygen

Explanation:

The process that occurs when physical forces break rock into smaller pieces without changing the rock's chemical composition is called mechanical weathering.

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Q:

The unemployment created at certain times of the year, when the demand for goods and services are lower than normal, is _____.

A) Cyclical unemployment B) Frictional unemployment
C) Seasonal unemployment D) Structural unemployment
 
Answer & Explanation Answer: C) Seasonal unemployment

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Filed Under: Indian Economy
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Q:

A manufacturer faces price elasticity of demand of a ­1.25 for its product. If it lowers its price by 6.4%, the increase in quantity sold will be _____.

A) 5.15 percent B) 7.65 percent
C) 8 percent D) 5.12 percent
 
Answer & Explanation Answer: C) 8 percent

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Q:

What is C12H22O11 also known as

A) Sand B) Sugar
C) Salt D) Clay
 
Answer & Explanation Answer: B) Sugar

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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) Being a rainy day B) we did not feel like going out or doing anything
C) except playing chess in our room. D) No error
 
Answer & Explanation Answer: A) Being a rainy day

Explanation:

The error is in first part. If we start the sentence with being, it means that we were rainy which is incorrect. The sentence indicates that the day was Rainy, and the day will be denoted by ‘It’. So ‘It being a rainy day’ will be the correct idiomatic expression. Otherwise the meaning of the sentence changes.

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