Define Permittivity of free space or electric constant
Permittivity of free space: electric constant; epsilon_0: The ratio of the electric displacement to the intensity of the electric field generating it in vacuum. It is equivalent to 8.854 x 10-12 F/m.
Explain Poisson equation and Poisson spot: Poisson equation (S.D. Poisson): The differential form of Gauss' law, that is, div E = rho, Pois
Defining Aberration: The obvious change in the position of a light-emitting object due to the fidelity of the speed of light and the
What do you understand by term ray casting? Explain briefly?
Briefly explain the procedure to define the Specific Gravity?
How do I find out a maximum current flowing through a resistor with just the resistance of the resistor and it's power rating?
Does solar radiation encompass a complete spectrum of all the forms of electromagnetic radiation?
Brewster's law (D. Brewster) - The extent or level of the polarization of light reflected from a transparent surface is maximum whenever the reflected ray is at right angle to the refracted ray.
What do you mean by the term neutral buoyancy? Briefly illustrate it.
Illustrate the difference between the cathode ray and beta ray?
Olbers' paradox (H. Olbers; 1826): If the Universe is infinite, consistent, and unchanging then the whole sky at night would be bright -- concerning as bright as the Sun. The further you stared out into space, the more stars there would be, and theref
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