You will understand the measuring instrument called travelling microscope by following these tutorials properly
Heat Full Revision 2022 Alevel Part1 - Thermometry & Solid/lLiquid Expansion.
you will understand how to make a simple length measurement using a spherometer and How to find the radius of curvature of a..
you will understand Screw principle which is used in many measuring instruments and Micrometer screw gauge by following this..