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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0 909

Q:

Which of the following has low resistivity?

A) Nichrome	B) Glass
C) Ebonite	D) Diamond

Answer & Explanation Answer: A) Nichrome

Explanation:

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Q:

_________ affect the rate of humus formation of soil.

A) Flora & Fauna	B) Time
C) Temperature	D) Parent rock

Answer & Explanation Answer: A) Flora & Fauna

Explanation:

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Filed Under: General Science
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Q:

C. P. U. consists of

A) Arithmetic and Logical unit and Register	B) Arithmetic and Logical unit, Register and Control unit
C) System unit and Memory	D) Hard disk and Control unit

Answer & Explanation Answer: B) Arithmetic and Logical unit, Register and Control unit

Explanation:

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Filed Under: Computer
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Q:

In the following question, out of the four alternatives, choose the one which best expresses the meaning of the given word.

Ineffable

A) unintelligible	B) illegible
C) inexplicable	D) inexpressible

Answer & Explanation Answer: D) inexpressible

Explanation:

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Filed Under: English
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Q:

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

Placing different things in order to create an interesting effect

A) sit for a portrait	B) render precisely
C) juxtapose	D) framing

Answer & Explanation Answer: C) juxtapose

Explanation:

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Q:

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Rip up old sores

A) To be defeated	B) To punish
C) To revive forgotten quarrel	D) To deal with a person strictly

Answer & Explanation Answer: C) To revive forgotten quarrel

Explanation:

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Filed Under: English
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Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

Government by Department of State

A) Bureaucracy	B) Autocracy
C) Oligarchy	D) Hierarchy

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