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What is the unit of surface tension ?...

What is the unit of surface tension ?

A

`[ML^1T60]`

B

`[ML^1T^-1]`

C

`[ML^0T^-2]`

D

`[M^1L^1T^-2]`

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Unit of surface tension Is

Surface tension of a liquid is a molecular phenomenon of liquids involving the force of cohension along the liquid molecules. It is scalar quantity and is numberically equal to the surface energy. Numerically, it is proved that the potential soluble salts and surfce active substance. Sparingly soluble salts and surface acitve substances decrease the surface tension of the liquid. However, the fairly soluble solutes increase the surface tension of the liquid. Surface tension of a liquid is independent of surface area but it depends on the intemolecular forces and the temperature. Which among the following is not the unit of surface tension ?

Which of the following in not the unit of surface tension ?

Surface tension is

Surface tension is

If the unit of tension is divided by the unit of surface tension the derived unit will be same as that of

A disc of radius R has a concentric hole of radius r. It is floating on a liquid of surface tension T . What is the force of surface tension on the disc ?

SL ARORA-Units and Measurements-Exercise
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  2. The dimension of coefficient of viscosity is :

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  3. What is the unit of surface tension ?

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  4. Dimensional formula for strain is

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  5. Which one of the following pair of quantities has same dimension ?

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  6. Which one of the following have same dimensions?

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  7. Dimension's of planck's constant are the same as the dimensions of t...

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  8. Which of the following quantities can be written in SI units in kgm^2A...

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  9. The unit of Planck's constant is

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  10. If the unit of force is 1 kN, unit of length 1 km and unit of time is ...

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  11. A force F is given by F = at + bt^(2) , where t is time . What are the...

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  12. If the energy ( E) ,velocity (v) and force (F) be taken as fundamental...

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  13. The equation of state of some gases can be expressed as (P+ (a)/(V^(2)...

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  14. The equation (P+a/(V^(2)))(V-b) constant. The units of a are

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  15. In the van der Waals equation

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  16. In the relation, y =rsin(w + kx),the dimensional formula for kx or cot...

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  17. Given that the displacement of an oscillating particle is given by y=A...

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  18. The significant figures in the number 6.0023 are

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  19. If L=2.331cm,B=2.1cm, then L+B=

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  20. If error in radius is 3% whast is error in volume of sphere?

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