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 x1+x2+x3 = 51 (x1,x2,x3 being odd natural numbers) is