What is refraction of light?
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Explain the cause of brownian motion?
what is the relative speed between 2 serial electrons running in same direction along the wire?
Explain the Reflection of Light ?
is a burning candle a undergoing a physicalchange
Explain the difference between intrinsic and extrinsic semiconductors?
What is Oxidation ?
Define Umbra?
what is overall expansion,hp expansion,ip expansion and axial shaft of a steam turbine?
What is the Magnetic substance ?
Explain the Heat Engines ?
Describe the Sphygmanometer?
heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?