STATES OF MATTER
WELCOME TO LECTURE NO. 1 BY SHEETAL CHOPRA CLASSES FIND ME ON YT CHANNEL SHEETALCHOPRACLASSES STATES OF MATTER MATTER EXIST IN THREE DIFFERENT STATES- SOLID, LIQUID AND GAS. THESE DIFFERENCES ARISE DUE TO VARIATIONS IN CHARACTERISTICS OF PARTICLES. IT CAN BE THE RESULT OF INTERMOLECULAR SPACES AND FORCES. THE DETAILS WILL BE SHARED IN FOLLOWED CHAPTER SOLID STATE : SOLIDS HAVE FIXED SHAPE, DISTINCT BOUNDARIES, FIXED VOLUME AND NEGLIGIBLE COMPRESSIBILITY. SOLIDS CAN MAINTAIN THEIR SHAPE WHEN SUBJECTED TO EXTERNAL FORCE, THEY MAY GET BREAK BUT THEY DO NOT CHANGE THEIR SHAPE HENCE THEY ARE RIGID IN NATURE. IN CASE OF SUGAR AND SALT, WHEN KEPT IN HAND OR A JAR, THE SHAPE REMAINS SAME AND WON'T CHANGE. SOLIDS ALSO POSSESS ELASTIC PROPERTY, IN CASE OF RUBBER BAND IT CHANGES ITS SHAPE ON STRETCHING AND REGAIN ITS SHAPE WHEN THE FORCE IS REMOVED. SOLIDS ARE NON COMPRESSIBLE, IN CASE OF SPONGE DUE TO THE PRESENCE OF MINUTE PORES, AIR GETS TRAPPED INTO ...