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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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Q:

Notepad' is a text editor in which of the following operating systems?

A) Windows B) Google Chrome
C) Mozilla Firefox D) Macintosh
 
Answer & Explanation Answer: A) Windows

Explanation:
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Q:

Which e-commerce website has partnered with NationalHighways Authority of India (NHAI) to enable cashlesspayments at all national and city toll plazas?

A) Paytm B) Mobikwik
C) Freecharge D) Oxigen
 
Answer & Explanation Answer: A) Paytm

Explanation:
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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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Q:

Name the first country to launch world's first 6G satellite named 'UESTC' satellite (Star Era - 12) with an aim to test communications from space?

 

A) United States B) Japan
C) China D) Russia
 
Answer & Explanation Answer: C) China

Explanation:

China has launched world's first 6G satellite named 'UESTC' satellite with an aim to test communications from space.

 

 

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Q:

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

To reproach

A) To commend B) To laud
C) To exonerate D) To admonish
 
Answer & Explanation Answer: D) To admonish

Explanation:
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Filed Under: English
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Q:

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

A) Beneficiary B) Benificiary
C) Beneficeary D) Benefeciary
 
Answer & Explanation Answer: A) Beneficiary

Explanation:
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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

A) frothyiest B) frotheist
C) frothyeist D) frothiest
 
Answer & Explanation Answer: D) frothiest

Explanation:
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