what is the formula to calculating the time taken by electron to make a revolution in Bohrs 1st and 2nd orbit? plzz answer
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Time taken for an electron to complete one revolution in Bohr orbit of hydrogen atom is : t=distance/velocity
Distance of Bohr orbit = circumference of Bohr orbit = 2πr
t=v2πr
Since mvr=2πnh
v=2πmrnh
Thus, t=2πr×nh2πmr
t=nh4π2mr2
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