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| 1. |
Calculate the wavelength of an electron moving with a velocity of 2.05xx10^7ms^(-1) |
| Answer» Solution :Mass of ELECTRON `=9.1xx10^(-31)`KG `lambda=h/(MV)=(6.626xx10^(-31))/(9.1xx10^(-31)xx2.05xx10^7)=3.55xx10^(11)m` | |