TextBook Solutions NCERT Physics Solution ( Class XI ) Units & measurements Motion in a Straight Line Motion in a Plane Laws Of Motion Work ,Energy & Power System of Particles & Rotational motion Gravitation Thermal Properties of matter Thermodynamics Oscillations NCERT Physics Solution ( Class XII ) (Electrostatics): Electric Charges & Fields Electrostatic Potential & Capacitance Current Electricity Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current Electromagnetic Waves Ray Optics & Optical Instruments Wave Optics Dual nature of matter & radiation Atoms Nuclei Semiconductor Electronics : Materials , Devices & Simple Circuits NCERT Exemplar Physics : Class XII Electric Charges & Fields Also Read :The number of solutions of the equation x^3 +2x^2 +5x + 2cosx = 0 in [0, 2π] is