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:

Which country hosted the 'Bodhi Parva : BIMSTEC Festival of Buddhist Heritage' from 8-10 December 2017 as part of BIMSTEC's 20th anniversary celebrations?

A) Nepal	B) China
C) Bhutan	D) India

Answer & Explanation Answer: D) India

Explanation:

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Q:

Which nation has reported the first case of H5N8 virus?

A) China	B) France
C) USA	D) Russia

Answer & Explanation Answer: D) Russia

Explanation:

Russian authorities have reported the first known cases of an avian influenza virus called H5N8 passing from poultry to humans.

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Q:

Under which of the following jurisdiction can any individual, whose fundamental right has been violated, can directly move the Supreme Court for remedy?

A) Original Jurisdiction	B) Writ Jurisdiction
C) Appellate Jurisdiction	D) Advisory Jurisdiction

Answer & Explanation Answer: B) Writ Jurisdiction

Explanation:

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Filed Under: Indian Politics
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Q:

Who Invented water turbine?

A) Enrico Fermi	B) Adolf Gaston Eugen Fick
C) Sandford Fleming	D) Benoit Fourneyron

Answer & Explanation Answer: D) Benoit Fourneyron

Explanation:

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Filed Under: Inventions
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Q:

Who among the following was awarded the Ashok Chakra (posthumous) by President Pranab Mukherjee on the eve of Independence Day 2016 ?

A) Lt. Col. Niranjan Ek	B) Neeraj Kumar Singh
C) Lt. Navdeep Singh	D) Havildar Hangpan Dada

Answer & Explanation Answer: D) Havildar Hangpan Dada

Explanation:

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Filed Under: Honours and Awards
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Q:

Name the first Indian to get Bharat Ratna posthumously.

A) Atal Bihari Vajpayee	B) Lal Bahadur Shastri
C) C K Naidu	D) Mihir Sen

Answer & Explanation Answer: B) Lal Bahadur Shastri

Explanation:

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Q:

Which of the following Sultans of Tughlaq dynasty issued copper coins instead of silver ones?

A) Ghiyasuddin Tughlaq	B) Muhammad bin Tughlaq
C) Firoz Shah Tughlaq	D) Mahmud Tughlaq

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