List of top Physics Questions on physical world asked in JIPMER

In an experiment, on the measurement of g using a simple pendulum, the time period was measured with an accuracy of 0.2% while the length was meausred with an accuracy of 0.5%. The percentage accuracy in the value of g thus obtained is

$\mu_0$ and $\varepsilon_0$ denote the permeability and permittivity of free space, the dimensions of $\mu_0 \varepsilon_0$ are

A force $F$ is given by $F=a t+ b t^{2}$, where, $t$ is time. What are the dimensions of $a$ and $b$ ?

The length, breadth and thickness of a block are given by $l=12\, cm , b=6 \,cm$ and $t=2.45 \,cm .$ The volume of the block according to the idea of significant figures should be