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Out of following four dimensional quanti...

Out of following four dimensional quantities, which one quantity is to be called a dimensional constant

A

Acceleration due to gravity

B

Surface tension of water

C

Weight of a standard kilogram mass

D

The velocity of light in vacuum

Text Solution

Verified by Experts

The correct Answer is:
D
Velocity of light in vaccum `= 3 xx10^(8)`m/ s.
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ERRORLESS-UNITS, DIMENSIONS AND MEASUREMENT-NCERT BASED QUESTIONS (Dimensions)
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  2. The dimensions of gravitational constant G and the moment of inertia a...

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  3. Out of following four dimensional quantities, which one quantity is to...

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  4. ML^(-1)T^(-2) represents

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  5. The force F on a sphere of radius r moving in a medium with velocity v...

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  6. The dimension of coefficient of viscosity is :

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

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  8. ML^(3) T^(-1) Q^(-2) is dimension of

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  9. The fundamental physical quantites quanties that have same dimension i...

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  10. The physical quantity which has dimensional formula as that of ("energ...

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  11. The ratio of the dimensions of Planck's constant and that of moment of...

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  12. Identify the pair which has different dimensions

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  13. An object is moving through the liquid. The viscous damping force acti...

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  14. The dimensions of emf in MKS is

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  15. Which of the following quantities is dimensionless

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  16. The dimensions of K in the equation W=1/2Kx^(2) is

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  17. The dimensional formula of relative density is

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  18. Presure gradient has the ssame dimension as that of

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  19. In the relation y=acos(omegat-kx), the dimensional formula for k is

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  20. "Pascal-Second" has dimension of

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