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.
: A voltage v = 150 + j180 is applied across an impedance and the current flowing is I = 5 - j4 find ? A, impedance . B, resistance. C, reactance. D, power consumed.
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?
Candela: The basic SI unit of luminous intensity stated as the luminous intensity in a given direction of a source which emits monochromatic photons of frequency 540 x 1012 Hz and encompasses a radiant intensity in the direction of 1/683 W/
What do you mean by the term nucleus? Describe in brief.
What do you mean by the term crest? Briefly illustrate it.
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.
Describe why is heavy water employed as a moderator? Illustrate.
What is Anthropic principle? Explain Weak anthropic principle and Strong anthropic principle? Q : Formula for acceleration What is the What is the appropriate formula employed to compute the acceleration? Explain in brief.
What is the appropriate formula employed to compute the acceleration? Explain in brief.
Kirchhoff's law of radiation (G.R. Kirchhoff): The emissivity of a body is equivalent to its absorbptance at similar temperature.
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