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.
What is Arago spot? The bright spot which appears in the shadow of a consistent disc being backlit by monochromatic light originating from a point source. &n
Write down the vital difference between the electron and a beta ray?
Briefly list out the name of all the branches of physics?
Coanda effect: The effect which points out that a fluid tends to flow all along a surface, instead of flowing via free space.
Stern-Gerlach experiment (O. Stern, W. Gerlach; 1922): The experiment which explains the features of spin (that is intrinsic angular momentum) as a different entity apart from the orbital angular momentum.
Laue pattern (M. von Laue): The pattern generated on a photographic film whenever high-frequency electromagnetic waves (like x-rays) are fired at the crystalline solid.
Does solar radiation encompass a complete spectrum of all the forms of electromagnetic radiation?
What is the basic difference among the dynamic strain aging and the strain aging?
Write down the weights in pounds of the liquid gallons? Briefly describe it.
Singularity: The center of a black hole, where the curvature of space-time is maximal. At singularity, the gravitational tides deviate; no solid object can yet theoretically survive beating the singularity. Though singularities usually predict inconsi
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