The inner diameter of a small test tube can be measured a...
The inner diameter of a small test tube can be measured accurately using a
Micrometres screw gauge
Pair of dividers
Metre rule
Pair of vernier calliper
Correct answer is D
A vernier scale is a visual aid to take an accurate measurement reading between two graduation markings on a linear scale by using mechanical interpolation; thereby increasing resolution and reducing measurement
A galvanometer of internal resistance 50Ω has a full scale deflection for a current of 5mA....
The thermos flask is designed to? ...
For a rough inclined plane on which lies a body of weight W, the angle θ in the diagram above ...
Convex mirrors are used as driving mirrors because images formed are ...
Calculate the resistance of the filament of a lamp rates 240 V, 40 W ...