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A moving electron has 4.9 xx 10^(-25) jo...

A moving electron has `4.9 xx 10^(-25)` joules of kinetic energy. Find out its de - Broglie wavelength (Given `h = 6.626 xx 10^(-34) Js, m_e = 9.1 xx 10^(-31)` kg).

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`7 xx 10^(-7) m`
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