Let be the centripetal acceleration of the electron in the first orbit of hydrogen ( )
CHEMISTRY · Single correct · ISC · Chemistry · Structure of Atom · Structure of Atom
Problem
Let a1 be the centripetal acceleration of the electron in the first orbit of hydrogen (Z=1,n=1). Let a2 be the centripetal acceleration in the fourth orbit of He+ (Z=2,n=4). The ratio a2a1 is
(a) 4
(b) 32
(c) 16
(d) 321