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Can you explain Doppler effect? Find a mathematical expression for the apparent frequency heard when the source is in motion and the listener is at rest and also give limitation of Doppler effect?
What is Vapor Density? Vapour density is the density of a vapour in relation to that of hydrogen. It may be defined as mass of a certain volume of a substance divided by mass of
The molecules of diatomic and linear polyatomic gases are made up of two atoms joined rigidly to one another by a bond. Such a particle cannot only move as a entire but can also ro
Disadvantages of Low Power factor Greater conductor size : To transfer or distribute a fixed amount of power at constant voltage, the conductor will have to carry more current
Two parallel rectangular plates measuring 20 cm by 40 cm carry an electric charge of 0.2µC. Measure the electric flux density. If the plates are spaced 5mm apart and the vo
Particles of the medium implement simple harmonic motion about their mean position in a direction perpendicular to the direction of propagation of wave motion. (i) It goes in th
Conclusion of photoelectric effect
The refractive index of glass is 1.54. Determine the polarizing angle when light goes from glass to air medium?
What are the needs of light sources for fibre optic communication? Light sources for fibre optic communication should meet certain given requirements as illustrated below: a
Laue pattern (M. von Laue): The pattern generated on a photographic film while high-frequency electromagnetic waves (such as x-rays) are fired at a crystalline solid.
A highly polished metal surface is coated with a colloidal aqueous dispersion of P.T.F.E. it is force dried and sintered, until a continuous film is formed. These capacitors can wi
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