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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
Exam Prep: Bank Exams

0 1506
Q:

In which sport in Asian Games, India has won maximum Gold Medals?

A) Athletics B) Hockey
C) Wrestling D) Shooting
 
Answer & Explanation Answer: A) Athletics

Explanation:
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Filed Under: Sports
Exam Prep: Bank Exams , CAT

0 1506
Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

The plane was too(A)/ far away that it was(B)/just a dot in the sky.(C)/No error(D)

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 1506
Q:

Magnetite is an ore/mineral of

A) Beryllium B) Chromium
C) Iron D) Lead
 
Answer & Explanation Answer: C) Iron

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

2 1506
Q:

What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?

 

A) 16.675 x 10-11 N B) 166.75 x 10-10 N
C) 6.67 x 10-11 N D) 16.67 x 5-10 N
 
Answer & Explanation Answer: B) 166.75 x 10-10 N

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

2 1506
Q:

In a certain code language, if SIGN is coded as 8367 and DIRECT is coded as 134259, then SIREN will be coded as

A) 83472 B) 84327
C) 83247 D) 83427
 
Answer & Explanation Answer: D) 83427

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 1506
Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

 

The need

 

A : the highways has

B : been felt over the years

C : to curb drunken driving on

 

A) BCA   B) CAB  
C) BAC   D) ACB
 
Answer & Explanation Answer: B) CAB  

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

1 1506
Q:

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

 

A) 18   B) 25  
C) 24   D) 21
 
Answer & Explanation Answer: B) 25  

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

4 1506