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A unitless quantity...

A unitless quantity

A

Does not exist

B

Always has a nonzero dimension

C

Never has a nonzero dimension

D

May have a nonzero dimension

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The correct Answer is:
A
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MOTION-UNITS AND DIMENSIONS, BASIC MATHEMATICS -Exercise - 2 (Objective Problems )
  1. Which of the following system of units is not based on units of mass, ...

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  2. Which of the following quantity is unitless ?

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  3. The dimensional formula of wave number is

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  4. Which of the following does not have the dimensions of force?

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  5. Which of the following is incorrect statement

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  6. A dimensionless quantity

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  7. A unitless quantity

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  8. Which of the following is incorrect

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  9. The Bernoulli's equation is given by P+1/2 rho v^(2)+h rho g=k. Where ...

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  10. When a wave transverses in a medium, the displacement of a particle lo...

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  11. The method of dimensional analysis can be used to derive which of the ...

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  12. If the error in the measurement of radius of a sphere in 2% then the e...

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  13. An iceberg of density 900kg//m^(3) is floating in water of density 100...

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  14. A vernier calipers has 1mm marks on the main scale. It has 20 equal di...

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  15. The diameter of a cylinder is measured using a Vernier callipers with...

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  16. The percentage errors in the measurement of length and time period of ...

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  17. A physical quantity A is related to four observable a,b,c and d as fol...

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  18. The values of two resistors are R(1)=(6+-0.3)kOmega and R(2)=(10+-0.2)...

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  19. The mass and volume of a body are found to be 5.00 pm 0.05 kg " and "...

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  20. The VC shown in the diagram has zero error in it. It is given that 9 m...

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