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An electron is accelerated through a potential difference of 500 V. Its de Broglie wavelength would be |
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Answer» h=planks CONST =6.6×10^-34 Mass of ELECTRON =9.1×10-31 Voltage= 500 Wavelength (W) = h/√2mKE = h/√2meV =6.6×10^-34/√2×9.1×10-31×500 =6.6×10^-34/√910×10-30 =6.6×10^-34/30.1×10-15 =0.219×10-19 |
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