Principle: If a vibrating tuning fork is held over the open end of the resonance tube T filled with water, as shown in fig12.9(a) then resonance is obtained at some position as the level...

Description of searles Apparatus: (a) Construction:- Searles apparatus consists of two metal frames F1 and F2. Each frame has torsion head at the upper side and hook at the lower side....

SCREW GAUGE: This instrument (shown in figure) works on the principle of micrometer screw. It consists of a U-shaped frame M. At one end of it is fixed a small metal piece A of gun metal....

COMBINATION OF ERRORS:- If two physical quantities are A ± A and B ± B, where A and B are absolute errors, then

Significant Figures:- In all types of measurement the reported measurement consists of Numbers. The digits that we report consists of certain digits (which are measurable by an instrument)...

Derived units: The units of all other physical quantities which can be obtained from fundamental units are called derived units. eg: m/s, Kg/m3 etc. Conversion of units:- While doing...

Experimental Physics Physics:- Experimental Physics Science is all about experiments, all the hypothesis become a law only if they are justified experimentally. Experimentation involves...