Physics

This chapter covers topics like Accuracy in Measurements, Amount of Substance, Clocks and Its Working Mechanism, Electric Current, Luminous Intensity, Plane and Solid Angles, Rounding off Numbers, System of Units and Temperature.

This chapter covers topics like Force, Force and Pressure Exerted by Liquids, Friction, Pressure Exerted by Air-Atmospheric pressure, Surface Tension and Thrust and Pressure.

This chapter covers topics like Dispersion, Multiple Reflections, Refraction of light and Spherical Mirrors.

This chapter covers topics like Calorimetry, Effects of Heats, Thermostat and Transfer of Heat.

This chapter covers topics like Charge and Its Basic Properties, Effects of Current, Electroscope, Lightning and Thunder and Methods of Charging.

This chapter covers topics like Sound and its Properties, Production and Propagation of sound, Sound Produced by Humans, Mechanical Waves and Characteristics of Wave Motion, Mechanism of Human Ear, Musical Instruments, Noise Pollution, etc.

This chapter covers topics like Artificial Magnets, Earth's Magnetism, Magnet and Its Types, Magnetic Field and Magnetic Materials, Magnetic properties of Matter and Uses of Magnets.

This chapter covers topics like Indian Space Programmes, Launching of Satellites, NASA and Rockets.

This chapter covers topics, such as Spreadsheet, Functions in Libre Office Calc, Worksheet and Workbook in Libre Office Calc, Sorting Data in Libre Office Calc, Charts in Libre Office Calc & Operators in Libre Office Calc etc.