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| 1. |
A fast moving bullet is not diffracted by a crystal surface, while an electron diffracts. Why? |
| Answer» SOLUTION :The wavelength of bullet is of the order of `10^(-31)` m while that of an electron is `10^(-10)` m. Diffraction is possible when the width of APERTURE is of the order of the same order as that of wave. Inter atomic distance of CRYSTAL is `10^(-10)`m. HENCE only electrons get diffracted. | |