CBSE Class 11 Physics — Chapter Summary

Measurement compares a physical quantity with a standard unit. Physics uses a small set of base quantities and base units to describe all other quantities. The SI system is the internationally accepted system and includes seven base units. Measured values must be written with proper significant figu

Mechanical properties of solids describe how solids respond to stretching, compression, bending, and twisting. A solid is not perfectly rigid: it deforms under an external force and regains its original shape only when the force stays within the elastic limit. The chapter connects stress, strain, Ho

Motion is change in position of an object with time. Rectilinear motion is motion along a straight line, and kinematics describes motion without considering its causes. The chapter develops the ideas of displacement, average and instantaneous velocity, speed, acceleration, free fall, and the kinemat