Saved Bookmarks
| 1. |
Calculate wavelength of electron having 2.05 × 10⁻⁷ ms⁻¹ velocity. |
|
Answer» , mass of ELECTRON ( m ) = 9.1 × 10^-31 KgPlank's CONSTANT ( h ) = 6.626 × 10^-34 Jsvelocity of electron ( v ) = 2.05 × 10^7 m/saccording to DE - BROGLIE's wavelength, λ = h/mv = 6.626 × 10^-34 Js /s/9.1 × 10^-31 Kg × 2.05 × 10^7 m/s = 0.35 × 10^-10 m = 0.35 A° hence, wavelength of electron = 0.35 A° or, 3.5 × 10^-11 m Hope it HELPS you.. |
|