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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:

The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?

A) Mulching B) Intercropping
C) Rock dam D) Terrace farming
 
Answer & Explanation Answer: B) Intercropping

Explanation:
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Q:

The Comptroller and Auditor General is closely connected with which of the following Committees of Parliament?

A) The Estimates Committee B) The Committee on Public Undertakings
C) The Public Accounts Committee D) All of these
 
Answer & Explanation Answer: C) The Public Accounts Committee

Explanation:
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Filed Under: Indian Politics
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Q:

Indian Banks' Association, formed on 26 September 1946 as a representative body of management of banking in India operating in India - an association of Indian banks and financial institutions based in Mumbai. Who is present Chairman of IBA? 

A) Jatinder Bir Singh  B) Dinabandhu Mohapatra 
C) Sunil Mehta D) Rajnish Kumar 
 
Answer & Explanation Answer: C) Sunil Mehta

Explanation:

Punjab National Bank (PNB's) managing director and chief executive, Sunil Mehta was elected as new chairman of Indian Banks Association (IBA) for year 2018-19. Bank of India's managing director and chief executive Dina Bandhu Mohapatra was elected as the deputy chairman. Indian Banks' Association, formed on 26 September 1946 as a representative body of management of banking in India operating in India - an association of Indian banks and financial institutions based in Mumbai. 

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Q:

What are gilt-edged securities?

A) Securities issued by the multinational companies. B) Securities issued by the Government
C) Securities issued by the private sector D) Securities issued by the joint venture companies
 
Answer & Explanation Answer: B) Securities issued by the Government

Explanation:
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Q:

Which country is not a member of Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC)?

A) Thailand B) Myanmar
C) India D) Pakistan
 
Answer & Explanation Answer: D) Pakistan

Explanation:
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Q:

In November 2017, who launched ‘Grahak Sadak Koyla Vitaran App’ that aims to benefit customers of Coal India Limited (CIL)?

A) R. K. Singh B) Suresh Prabhu
C) Naredra Singh Tomar D) Piyush Goyal
 
Answer & Explanation Answer: D) Piyush Goyal

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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