What is Permeability of free space or magnetic constant
Permeability of free space: magnetic constant: mu_0: The ratio of the magnetic flux density in the substance to the external field strength for vacuum. It is equivalent to 4 pi x 10-7 H/m.
Cadmium rods are given in a nuclear reactor. Explain why?
Kirchhoff's law of radiation (G.R. Kirchhoff): The emissivity of a body is equivalent to its absorbptance at similar temperature.
Defining Aberration: The obvious change in the position of a light-emitting object due to the fidelity of the speed of light and the
Ehrenfest paradox (Ehernfest, 1909): The special relativistic "paradox" including a fast rotating disc. As any radial segment of the disc is perpendicular to the direction of motion, there must be no length contraction of the radius;
Briefly explain the reason why does sun emerge flat throughout sunrise and sunset?
Write a short note on diffuse reflection?
For the beam illustrated below, we require to determine: (A) the support reactions
Calculate the hot and cold temperature after 25 orbits. Assume a 100kg spherical spacecraft made of aluminum. Assume that the spacecraft is in an equatorial orbit. How is calculation 1 different for a spacecraft in a 90 degree (polar) orbit?
In the radioactive dating we use half life to find out the age of a sample however not average life why? Describe.
Le Chatelier's principle (H. Le Chatelier; 1888): When a system is in equilibrium, then any modification imposed on the system tends to shift the equilibrium state to decrease the consequence of that applied change.
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