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An electron is in a box of width 3*10^-10m.what are de broglies wavlength and magnitude of momentum of the electron if it is in A)n=1 level B)n=2 level C)n=3 level Ans) use the
A iron rod on the surface of the beach and other iron rod into the sea water which metal corrodes easily? Ans) An iron rod on the surface of teh seawater because in sea it contains
Explain formation of a potential barrier in a p-n junction Formation of Potential Barrier in a P-N junction: The two kinds of extrinsic semiconductors p-type and
When two waves of exactly similar frequency (coming from two coherent sources) travels in a medium, in the similar direction simultaneously then because of their superposition, at
Kirchhoff's law of radiation (G.R. Kirchhoff): The emissivity of a body is equivalent to its absorptance at the simialr temperature. Kirchhoff's laws (G.R. Kirchhoff)
A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least 3 terminals for co
A 10L helium balloon at a pressure of 2 bar at 27C. some O 2 is now in balloon and final volume is made 30L. the pressure also fell to 1 bar at same temperature. the partial press
one coin is thrown upword from 100m top building with velocity 15m/s .2s later 2nd coin is dropped downword at what distance from top of building 2nd coin cross first? Ans) They
Highest electrical resistivity exists in which wire??? nichrome wire.
How we can calculate the magnitude of electric field above a sheet charged with voltage V where we know the bulk conductivity and relative permittivity of the space above the sheet
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