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Dispersion of Light:
When a beam of light is permitted to pass by a prism, it splits in a band of different colors. This band of different colors is known as spectrum and the phenomenon of spreading light in to its constituent colours is called as dispersion of light.
Sound waves are being used to determine the depth of a freshwater lake, as shown in the figure below. If the water is 25°C and it takes 1.2 s for the echo to return to the sens
A singly charged positive ion moving at 4.6 * 10^5 leaves a circular track of radius 7.94 mm along a direction perpendicular to the 1.8 -T magnetic field of the bubble chamber. Com
Three inductive loads, each of resistance 4Ω and reactance 9Ω are linked in delta. When linked to a 3-phase supply the loads consume 1.2kW. Calculate (a) The power factor of
Q. What is Fresnel diffraction? a) The source as well as the screen are at finite distances from the obstacle producing diffraction. b) The wave front suffer diffraction is
Friction of rough surfaces Place two pieces of sandpaper together. Notice the friction that is formed when one is rubbed against the other. Now put some grease among the pieces
Three impedances are connected in series across a 100V, 2kHz supply. The impedances comprise: (i) An inductance of 0.45mH and 2 resistance, (ii) An inductance of 570µH a
Hf = mLf m - (g/lbs) *1lb = 454g Lf - latent heat of fusion - 80 kcal/kg fr water Hope
Q Define: Drift velocity. Drift velocity is described as the velocity with which free electrons get drifted towards the positive terminal, when an electric field is applied.
a) It is a sort of disturbance which goes by a medium. b) Material phase is necessary for the propagation of mechanical waves. c) When a wave motion goes by a phase, molecule
If the particles of a medium vibrate in the direction of wave motion the wave is known as longitudinal. a) It goes in the form of compression and rarefaction. b) A
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