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A dimensionless quantity...

A dimensionless quantity

A

never has a unit

B

always has a unit

C

may have a unit

D

does not exit

Text Solution

Verified by Experts

The correct Answer is:
C
Angle is dimensions but has but has unit (radian or degree)
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RESONANCE-UNITS, DIMENSION & MEASUREMENT-Exercise
  1. Which of the following sets cannot enter into the list of fundamental...

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  2. A dimensionless quantity

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  3. A unit less qunatity

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  4. Which pair of following quantities has dimensions different from each ...

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  5. Which of the following set have different dimensions?

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  6. Dimensional formula for latent heat is

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  7. The young's modulus of a material of wire is 12.6 xx 10^(11) "dyne"//c...

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  8. A watt is

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  9. Kilowatt-hour is a unit of

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  10. Planck's constant has the dimension (unit) of

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  11. S.I. Unit of surface tension is :

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  12. If unit of length and time is doubled the numerical value of g (accele...

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  13. Which of the following pairs of physical quantities have the different...

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  14. If we use permitivity epsilon, resistance R, gravitational constant G ...

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  15. In the equation int (dx)/sqrt(2ax - x^(2) ) = a^(n) sin ^(-1) [(x-a...

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  16. The length of a rectangular plate is measured by a meter scale and is ...

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  17. In the previous question, minimum possible error in area measurement c...

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  18. To estimate g (from g = 4 pi^(2)(L)/(T^(2))), error in measurement of ...

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  19. An experiment measure quantities x,y,z and then t is in calculate from...

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  20. The external and internal diameters of a hollow cylinder are measured ...

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