What are common Experimental Skills mistakes in JEE?
Students often confuse similar concepts within Vernier calipers - its use to measure the internal and external diameter and depth of a vessel, Screw gauge - its use to determine the thickness/diameter of thin sheet/wire, Simple pendulum - dissipation of energy by plotting a graph between the square of amplitude and time, Metre scale - the mass of a given object by the principle of moments, and more, rush without diagrams, or apply formulas outside their valid conditions.