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:

If the force applied on the object is in the direction of its motion, the speed of the object __________.

A) increases	B) stops
C) decreases	D) no effect

Answer & Explanation Answer: A) increases

Explanation:

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Q:

Which of the following is not considered a Democracy?

A) USA	B) Norway
C) India	D) China

Answer & Explanation Answer: D) China

Explanation:

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Q:

"World Economic Outlook" report is published by which of the following ?

A) IMF	B) World Bank
C) RBI	D) UNCTAD

Answer & Explanation Answer: A) IMF

Explanation:

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Q:

The _________ balance is equal to capital flows from the rest of the world, minus capital flows to the rest of the world.

A) Current Account	B) Savings Account
C) Capital Account	D) Asset Account

Answer & Explanation Answer: C) Capital Account

Explanation:

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Q:

Which of the following will cause an increase in the demand for coffee?

A) Price of coffee falling in foreign markets	B) Coffee prices are expected to fall rapidly in domestic markets
C) Average income falls in the country	D) Increase in price of tea

Answer & Explanation Answer: D) Increase in price of tea

Explanation:

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Q:

Pidurutalagala or Mount Pedro is the highest mountain peak of which of the following countries?

A) South Africa	B) Panama
C) Sri Lanka	D) Cambodia

Answer & Explanation Answer: C) Sri Lanka

Explanation:

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Q:

Who among the following is also the Chairman of the Planning Commission?

A) Defence Minister	B) Attorney General
C) Prime Minister	D) Finance Minister

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