how many revolutions does an electron complete in one second in the first orbit of hydrogen atom?
a) 6.62 x 10¹⁵
b) 100
c) 1000
d) 1

Question

how many revolutions does an electron complete in one second in the
first orbit of hydrogen atom?
a) 6 62 x 1015
b) 100
c) 1000
d) 1

Akansha Tyagi · Accepted Answer

mvr=nh2πω=2πf=nh2πmr2f=4π2mk2e4n3h3for n=1f=4×3
142×9 1×10-31(9×109)2(1 6×10-19)(6
6×10-34)f=6 67×1015rev/sec

how many revolutions does an electron complete in one second in the first orbit of hydrogen atom? a) 6.62 x 1015 b) 100 c) 1000 d) 1