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.
What do you mean by the term curvilinear motion? State in brief?
In the radioactive dating we use half life to find out the age of a sample however not average life why? Describe.
Planck equation: The quantum mechanical equation associating to the energy of a photon E to its frequency nu: E = h nu.
Hoop conjecture (K.S. Thorne, 1972): The conjecture (as so far unproven, although there is substantial proof to support it) that a non-spherical object, non-spherically compressed, will only form a black hole whenever all parts of the
Wave-particle duality: The principle of quantum mechanics that entails that light (and, certainly, all other subatomic particles) at times act similar to a wave, and sometime act similar to a particle, based on the experiment you are executing. For ex
Give one benefit of a scanning electron microscope over the transmission electron microscope? Briefly explain it.
What do you mean by the term geocentric? Briefly describe it.
For the magnetically coupled circuit in Figure a, calculate I1 and I2. If the dotted terminals in are changed so that the circuit now becomes that in Figure b, re-calculate I1 and I2.
Briefly state the atomic model which the Erwin Schrodinger creates?
Schwarzschild radius: The radius ‘r’ of the event horizon for a Schwarzschild black hole of mass m is specified by (in geometrized units) r = 2 m. In its conventional units: r = 2 G m/c2
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