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A unitless quantity...

A unitless quantity

A

Does not exist

B

Always has a nonzero dimension

C

Never has a nonezero dimension

D

May have a nonzero dimension

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The unitless quantity is

Which of the following is unitless quantity?

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c ) If assertion is true but reason is false. (d) If assertion and reason are false. Q. Assertion: Strain is a unitless quantity. Reason: Strain is equivalent to force.

STATEMENT 1: Two quantities with different dimensions may have same unit. STATEMENT-2 Two quantities with different units may have same dimensions STATEMENT-3 Unitless quantities must be dimensionless too

The following is a unitless and dimensionless quantity

STATEMENT-1 A dimensionless quantity may have a unit STATEMENT-2 A constant may not be unitless.

A : Displacement gradient is a dimensionless quantity. R : Displacement is dimensionless quantity.

A dimensionless quantity

A dimensionless quantity

A dimensionless quantity

ALLEN-BASIC MATHS-EXERCISE-2
  1. Which of the following is incorrect statement?

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  2. A dimensionless quantity

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  3. A unitless quantity

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  4. Which of the following is incorrect statement?

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  5. Two physical quantities of which one is a vector and the other is a sc...

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  6. The fundamental quantity which has the same power in the dimensional f...

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  7. The ratio of one micron to one nanometre is

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  8. The equation of a wave is given by Y = A sin omega ((x)/(v) - k), wher...

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  9. Temperature can be expressed as a derived quantity in terms of any of ...

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  10. The time dependence of a physical quantity P is given by P=P(0) exp (-...

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  11. Density of wood is 0.5 g//c c in the CGS system of units. The correspo...

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  12. In a particular system the units of length, mass and time are chosen t...

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  13. Match List-I with List-II and select the correct answer by using the c...

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  14. Which of the following is not the unit of time

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  15. Which of the following is smallest unit?

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  16. Which relation is wrong ?

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  17. The dimensional formula of angular velocity is

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  18. If A and B are two physical quantities having different dimensions the...

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  19. The dimensional formula of product and quotient of two physical quanti...

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  20. The Vander wal's equation for n moles of a real gas is given by (P+(n^...

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