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:

With reference to gravity, what is G called?

A) Gravitational constant	B) Gravitational attraction
C) Gravitational force	D) Acceleration due to gravity

Answer & Explanation Answer: A) Gravitational constant

Explanation:

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Q:

In the following list of devices which device is used in network layer?

A) Repeaters	B) Router
C) Application Gateway	D) Switch

Answer & Explanation Answer: B) Router

Explanation:

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Q:

Growing agricultural crops between rows of planted trees is known as

A) Social forestry	B) Jhum
C) Taungya system	D) Agro forestry

Answer & Explanation Answer: C) Taungya system

Explanation:

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Q:

The ancient Indian legal document 'Manusmriti' was written in ___.

A) Tamil	B) Hindi
C) Sanskrit	D) Bengali

Answer & Explanation Answer: C) Sanskrit

Explanation:

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Filed Under: General Awareness
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Q:

What is the duration (in minutes) of one-half of a football match?

A) 30	B) 35
C) 40	D) 45

Answer & Explanation Answer: D) 45

Explanation:

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Filed Under: Sports
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Q:

Who won the Dream11 Indian Premier League 2020 held at UAE?

A) Delhi Capitals	B) Mumbai Indians
C) Sunrisers Hyderabad	D) Kolkata Knight Riders

Answer & Explanation Answer: B) Mumbai Indians

Explanation:

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Q:

If 30%3 = 100, 70%14 = 50 and 20%8 = 25, then find the value of 50%5 = ?

A) 110	B) 30
C) 100	D) 20

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