Which of the following is not a dimensionless quantity

Last updated on Mar 31,

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

Which of the following is not a dimensionless quantity

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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. Of course, you could check this answer, and thus validate our physical model of reality, by measuring the quantity in question. The term we use to express this is, rather unfortunately, to say that physical quantities have a dimension - not to be confused with length, height and width. Anything that has a dimension can be measured, and to do so we use units - though there may be different units in which we measure the same quantity, such as centimeters and inches for length. When measuring the same quantity in different units, you can always convert between them - there are 2. We will encounter only three different basic quantities, which have the dimensions of length L , time T , and mass M.

Which of the following is not a dimensionless quantity

This is a list of well-known dimensionless quantities illustrating their variety of forms and applications. The tables also include pure numbers , dimensionless ratios, or dimensionless physical constants ; these topics are discussed in the article. Contents move to sidebar hide.

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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.

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