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Calculate the velocity of an electron p...

Calculate the velocity of an electron present in third orbit of H atom. Also calculate number of revolutions per second round the nucleus.

Text Solution

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Number of revolutionspersecond `=(v_(n))/(2pi r_(n)) = (((2.18 xx 10^(6) xx Z)/(n)) ms^(-1))/(2pi xx ((a_(0) xx n^(2))/(Z)))`
Putting Z= 1, n = 3 and `a_(0) = 0.529 xx 10^(-10)m`, we get `2.4314 xx 10^(14)` r.p.s
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