Tag: standardized measurement
Questions Related to standardized measurement
One second is defined to be equal to:
Which of the following are dimensionless quantities,(symbols have their usual meaning)
[$\eta$=viscocity,$\rho$=density,$r$=radius,$k$=thermal conductivity,$c$=heat capacity.]
Which of the following is dimensionally correct? ($\rho$=density,$\eta$=coefficient of viscosity,$P$=pressure,$S$=surface tension,$r$=radius,$g$=gravitational constant)
Consider the following equation which gives a hypothetical physical quantity mutual dynamic constant $\psi$ as,
$\dfrac{2Scos\theta}{\rho \times rg}$+$\dfrac{1}{2\pi}\dfrac{mgl}{I}$
($I$=moment of inertia ,$S$=surface tension,others symbol have usual meanings)
Which of the following is not the fundamental quantity,
The most basic rule of dimensional analysis is that of dimensional homogeneity. Only commensurable quantities may be
Light year is a unit of:
Which one can be represented as the symbol of time?
The unit of electric field intensity is: