Elementary particles concepts
Write down any two elementary particles that have nearly infinite life time?
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The two elementary particles that have nearly infinite life time are: Electron and proton.
Describe the procedure how radiation emitted from the body? Illustrate in brief.
Defining Aberration: The obvious change in the position of a light-emitting object due to the fidelity of the speed of light and the
Briefly explain the measure of the force of gravity on the object?
Cadmium rods are given in a nuclear reactor. Explain why?
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.
Pfund series: The series that explains the emission spectrum of hydrogen whenever the electron is jumping to the fifth orbital. Each line is in the infrared part of the spectrum.
Define the term engineering in brief.
Hooke's law (R. Hooke): The stress exerted to any solid is proportional to the strain it generates within the elastic limit for that solid. The constant of that proportionality is the Young modulus of elasticity for that material.
Boltzmann constant: k (L. Boltzmann) - The constant that explains the relationship between kinetic energy and temperature for molecules in an ideal gas. This is equivalent to the 1.380 622 x 10-23 J/K.
Briefly illustrate how do fireworks turn to shapes similar to hearts and stars?
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