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An electron is in a box of width 3*10^-10m.what are de broglies wavelength and magnitude of momentum of the electron if it is inA)n=1 level B)n=2 level C)n=3 levelAns) Use the principe wavlength=2L/m
Three small snails are each at a vertex of an equilateral triangle of side 60 cm. The ?rst sets out towards the second, the second towards the third and the third towards the ?rst,
coaxial vectors
Name any two elementary particles which have almost infinite life time? Electron and proton have almost infinite life time.
Two resistances have lengths in the ratio 1:4 and radius 1:2,specific resistances in ratio 3:1. compare their resistances. Solution) Given lengths l1=1 l
describe the construction and working of a Nicol prism.discuss how you obtain a plane polarised beam with it?
Classification of conducting materials: Electrical resistivity of a conducting material or conductor ranges from 10 -8 to 10 -3 ohm-m. A good conducting material should have
The helicopter view in fig. p3.29
A block of mass m is resting on a piece of smooth paper. The block has coefficient of static and kinetic friction μ s , μ k with the paper, correspondingly. You jerk the paper hor
for small values of theta sine theta is equal to tan theta . how?
state and explain ampere''s circuital law
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