Class XI CBSE – Revision Questions MCQ – Semester 1

What is the gravitational field strength of a planet when the weight of a 100 kg astronaut is 400 N? a)      ¼ N kg-1   b) 9.8 N kg-1 c) 4 N kg-1  d) infinity   The only natural satellite of the earth complete orbits in about a)      24 days b) 27.3 days c) 30 days…… Continue reading Class XI CBSE – Revision Questions MCQ – Semester 1

Physics Video Lessons & Problems, Organized by Unit

Kinematics Newton’s Laws of Motion Work, Kinetic Energy, Potential Energy, Conservation of Energy Impulse, Linear Momentum, Conservation of Linear Momentum Rotational Motion, Torque, Rolling Objects, Moment of Inertia, and Angular Momentum Oscillatory Motion Gravitation Electrostatics, Electric Forces, and Electric Fields Capacitance Current, Resistance, and DC Circuits. Magnetism and Sources of Magnetic Field. Electromagnetic Inductions.