The following are the links to the free materials of each chapter in 11th/1st PUC Physics.
CHAPTER 2 – UNITS AND MEASUREMENTS – PART 1
CHAPTER 2 – UNITS AND MEASUREMENTS – PART 2
CHAPTER 3 – MOTION IN A STRAIGHT LINE
CHAPTER 5 – NEWTON’S LAWS OF MOTION
CHAPTER 6 – WORK, POWER, AND ENERGY – PART 1
CHAPTER 6 – WORK, POWER, AND ENERGY – PART 2
CHAPTER 7 – SYSTEM OF PARTICLES AND ROTATORY MOTION – PART 1
CHAPTER 7 – SYSTEM OF PARTICLES AND ROTATORY MOTION – PART 2
CHAPTER 9 – MECHANICAL PROPERTIES OF SOLIDS
CHAPTER 10 – MECHANICAL PROPERTIES OF FLUIDS – PART 1