WIND INSTRUMENTS Clarinets, flute, saxophone, trumpet are examples of wind musical instruments. A musical note originates from a source vibrating in […]
Category: Physics
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Sound wave
Sound waves are produced by vibrating objects. Some of the source of sound are talking, shouting, beating, beating drums, blowing […]
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Determination of refractive index
Production of pure Production of impure spectrum White light has a band of wavelengths of different colours. This is called […]
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Optical Instruments
The Compound Microscope The Astronomical Telescope The Human Eye THE COMPOUND MICROSCOPE The compound microscope produces a greater magnification than […]
LENSES Lenses are used as magnifying glasses. They are also used in microscopes, telescopes, cameras and projectors. The human eye […]
REFRACTION THROUGH TRIANGULAR AND RECTANGULAR PRISM Triangular prism Rectangular prism Angle of deviation Real and apparent depth Triangular prism When […]
Humidity It is the water vapour content in the atmosphere. If there is high percentage of water in the air, […]
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Boiling and Melting/Freezing point
Boiling Point Meaning of Boiling Point Boiling happens at a particular temperature and pressure, the temperature of the liquid remains […]
Definition of Evaporation Evaporation is a change of state from the liquid to the gaseous state. It takes place at […]
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Latent heat
Latent Heat Latent heat or hidden heat is experienced when there is a change of state ( melting, vaporization, condensation, […]