Question
What is the formula of velocity gradient?
The correct answer is
velocity × [distance]-1
Velocity gradient is the change in fluid velocity per unit distance, for example \(\frac{dv_x}{dy}\). Its dimensions are velocity × distance⁻¹, or inverse time.
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Important Questions from Dimensions of physical quantities
The dimensional formula of force:
- The dimensional formula of force:
- Which of the following is dimensionless?
- The distance covered by a particle in time '$t$' is given by $s = at + bt^2$ where 'a' and 'b' are two constants. The dimensional formula of 'b' is:
What is the SI unit for measuring the luminous intensity?
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