Length cannot be measured by
Fermi
Debye
Micron
Light year
In $S = a + bt + c{t^2}$. $S$ is measured in metres and $t$ in seconds. The unit of $c$ is
Which of the following is a derived unit
Temperature can be expressed as a derived quantity in terms of any of the following
What is physical quantity ? Write its types.
Given that: $\lambda = a\,\cos \,\left( {\frac{t}{p} - qx} \right)$ , where $t$ represents time in second and $x$ represents distance in metre. Which of the following statements is true?