Which of the following is not a dimensionless quantity

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Plank's constant. Dielectric constant. Solid engle. A dimensionless quantity. Which one of the following is not dimensionless?

Which of the following is not a dimensionless quantity

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The dimension of any physical quantity expresses its dependence on the base quantities as a product of symbols or powers of symbols representing the base quantities. Figure lists the base quantities and the symbols used for their dimension. For example, a measurement of length is said to have dimension L or L 1 , a measurement of mass has dimension M or M 1 , and a measurement of time has dimension T or T 1. Like units, dimensions obey the rules of algebra. Thus, area is the product of two lengths and so has dimension L 2 , or length squared. Similarly, volume is the product of three lengths and has dimension L 3 , or length cubed. Physicists often call dimensionless quantities pure numbers.

Which of the following is not a dimensionless quantity

A dimensionless quantity also known as a bare quantity , pure quantity as well as quantity of dimension one [1] is a quantity to which no physical dimension is assigned, with a corresponding SI unit of measurement of one or 1 , [2] [3] which is not explicitly shown. Dimensionless quantities are widely used in many fields, such as mathematics , physics , chemistry , engineering , and economics. Dimensionless quantities are distinct from quantities that have associated dimensions, such as time measured in seconds.

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In order to be able to give an answer, we need certain measurable quantities as input - in the present case, the mass of the box and the height of a floor. Then, using our laws of physics, we will be able to produce another measurable quantity as our answer - here the amount of work needed.

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