1.

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.

Answer»


ANSWER :`0.7278 XX 10^(-8)m`
`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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