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Calculate the de Broglie wavelength associated with the following : (i) electrons moving with a speed of 10^(5)ms^(-1) (ii) protons moving with a speed of 10^(5)ms^(-1) (iii) a proton of momentum 2.26 xx 10^(-23) kg ms^(-1)(iv) a thermal neutron of energy 0.025 eV. |
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Answer» `3.97 xx 10^(-12) m` `0.29 xx 10^(-10) m` `1.807 Å` `0.1690 Å` `0.01276 Å` |
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