List of top Physics Questions on Experimental Physics

Object distance, \(u = (50.1 \pm 0.5)\,\text{cm}\) and image distance \(v = (20.1 \pm 0.2)\,\text{cm}\). The focal length is:
For the following question, enter the correct numerical value up to TWO decimal places. If the numerical value has more than two decimal places, round-off the value to TWO decimal places. (For example: Numerical value 5 will be written as 5.00 and 2.346 will be written as 2.35) Number of significant figures in \( (3.20 + 4.80)\times 10^5 \) is _____
You measure two quantities as \(A = 1.0 \pm 0.2\,\text{m}\), \(B = 2.0 \pm 0.2\,\text{m}\). What should be the correctly reported value for \(\sqrt{AB}\)?