what is the velocity of electron???? ✌✌✌❤explain
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Answer:
The velocity of an electron in the first Bohr orbit of H- atom. mvr = nh/2π v = nh/2πmr. ∴ v = (1 × 6.626×10−34)/ (2 × 3.14 × 9.1 × 0−31 × 0.529 × 10−10) v = 2.19×106ms−1.
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Explanation:
The electron starts from rest (near enough) so the kinetic energy gained is given by ½mv 2 where m is its mass and v is its speed. For an electron gun with a voltage between its cathode and anode of V = 100V the electron will have a speed of about v = 6 × 10 6 m/s
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