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  • Which of the following is NOT a fundamental physical quantity?  Option: 1 Time<div class='qna-option

Which of the following is NOT a fundamental physical quantity?

 

Option: 1

Time


Option: 2

Mass


Option: 3

Length

 


Option: 4

Force


Answers (1)

best_answer

A fundamental physical quantity is one that cannot be defined in terms of other physical quantities. The SI system recognizes seven fundamental physical quantities: length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity.

Option A is correct because time is one of the seven fundamental physical quantities. It is defined as the duration between two events.

Option B is correct because mass is also one of the seven fundamental physical quantities. It is defined as the amount of matter in an object.

Option C is correct because length is another fundamental physical quantity. It is defined as the distance between two points in space.

Option D is incorrect because force is not a fundamental physical quantity. It can be defined in terms of the fundamental quantities of length, mass, and time, as force is the product of mass and acceleration. Therefore, force is a derived quantity rather than a fundamental one.

So, The correct answer is Opion 4.

Posted by

sudhir.kumar

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