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Q:

The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with

A) Pascal’s law B) Newton’s law
C) Bernoulli’s principle D) Archimedes’ principle
 
Answer & Explanation Answer: A) Pascal’s law

Explanation:

Pascal's law is a principle in fluid mechanics that states that a pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

This principle is stated mathematically as: P= P + rgh

 

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Plants grow in size because of 

A) addition of cells B) increase in size of cells
C) enlargement of cells D) elongation of cells
 
Answer & Explanation Answer: A) addition of cells

Explanation:

Plants grow in size both in height and in grith. Enlargement  of cells already present cannot contribute much to the growth. Only addition of more and more cells could increase the size of the plant considerably.

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Filed Under: Biology

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Q:

Factors that aid venous return include all except

A) pressure changes in the thorax B) urinary output
C) activity of skeletal muscles D) venous valves
 
Answer & Explanation Answer: B) urinary output

Explanation:
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Filed Under: Biology
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Q:

Assessing opportunity cost involves

A) choosing consequences over profits B) maximizing profit and loss
C) making choices and dealing with consequences D) Both B & C
 
Answer & Explanation Answer: C) making choices and dealing with consequences

Explanation:

Assessing opportunity cost involves making choices and dealing with consequences.

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Filed Under: Indian Economy
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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'.

Akshay kumar being a (1)/ good actor he is (2)/ presented with the National Award. (3)/ No Error (4)/

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
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Filed Under: English
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Q:

A feature of catabolic reactions is that they

A) occur only in mitochondria B) occur only during loss of body weight
C) involve release of energy D) involve consumption of energy
 
Answer & Explanation Answer: C) involve release of energy

Explanation:
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Filed Under: Chemistry
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Q:

Father of Email

Email1498884677.jpg image

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

Explanation:

Ray Tomilson

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Filed Under: Famous Personalities
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Q:

In what country would you find Coptic Christians?

Answer

Egypt

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Subject: World Geography

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