the mass of an electron is 9.1 × 10^-31 kg. if its k.e is 3.0 × 10^-25 J, calculate its wavelength. structure of atom.
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Given :-
• Mass of electron = 9.1 × 10⁻³¹ kg.
• Kinetic energy of electron = 3.0 × 10⁻²⁵ J
To Find :-
• Wavelength (λ) of the electron.
Solution :-
•
•
•Planck's constant, h = 6.626 × 10⁻³⁴ Js.
•Mass of electron, m = 9.1 × 10⁻³¹ kg.
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