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:

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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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:

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:

When net torque is zero, __________ will be constant.

A) force	B) angular momentum
C) linear momentum	D) acceleration

Answer & Explanation Answer: B) angular momentum

Explanation:

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Q:

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

The flood destroyed the whole town.

A) The whole town was destroyed by the flood.	B) The whole town had been destroyed by the flood.
C) The whole town has been destroyed by the flood.	D) The whole town has had been destroyed by the flood.

Answer & Explanation Answer: A) The whole town was destroyed by the flood.

Explanation:

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Filed Under: English
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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Ethical	B) Genuine
C) Prejudiced	D) Reliable

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