Q Two fixed charges 4Q and 2Q are separated by a distance x.Where should third point charge q to b placed for it to be in equilibrium ???
how will the radius of a flexible ring change if it is given positive charge?
Which element has the lowest and highest Work Function? Also are there any synonyms for work function?
State three precautions you will take while measuring the volume of an irregular solid lighter than water, using a measuring cylinder. 
a micrometer screw gauge has a positive error of 7 divisions such that its main scale is marked in 1/2mm and the cicular scale has 100 divisions.the spindle of a screw gauge advances by 1 division for 1 complete rotation.if the screw gauge reading is 9 divisions on main scale and 67 divisions on circular scale fr the of a thin wire.calculate
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