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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
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Q:

At what temperature (in Fahrenheit) pure water freezes?

A) 32 B) 0
C) 48 D) 37
 
Answer & Explanation Answer: A) 32

Explanation:
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Filed Under: Physics
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Q:

The outer most layer of Sun is known as___________

A) Chromosphere B) Photosphere
C) Radioactive zone D) Corona
 
Answer & Explanation Answer: D) Corona

Explanation:
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Filed Under: General Awareness
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Q:

Which top Bollywood actor has been a long-standing brand ambassador for the car maker Hyundai Motors?

A) Salman Khan B) Abhishek Bachchan
C) Shah Rukh Khan D) Akshay Kumar
 
Answer & Explanation Answer: C) Shah Rukh Khan

Explanation:
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Filed Under: Famous Personalities
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Q:

The first Asian city to host Summer Olympics was _________ .

A) Moscow B) Beijing
C) Tokyo D) Singapore
 
Answer & Explanation Answer: C) Tokyo

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Filed Under: Sports
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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.

The chess player moved his piece to a more _____________________ position, securing the win.

A) profitable B) auspicious
C) advantageous D) worthwhile
 
Answer & Explanation Answer: C) advantageous

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Filed Under: English
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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.

A drop in the bucket

A) So much silence that even a drop can be heard B) A very small amount compared with what is needed
C) The final act before the task is done D) A small favour is worth a lot to a person in trouble
 
Answer & Explanation Answer: B) A very small amount compared with what is needed

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Filed Under: English
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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 have a finger in every pie

A) To Fight with everybody B) To be involved in a large and varied number of activities or enterprises
C) To make fun of everybody D) To leave every job unfinished
 
Answer & Explanation Answer: B) To be involved in a large and varied number of activities or enterprises

Explanation:
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Filed Under: English
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