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Standard VIII
Chemistry
Atomic Mass and Mass Number
Time period o...
Question
Time period of revolution of electron in the second orbit of singly ionised helium atom isaboutOptions:2 10-9 S2.5 x 10310 s4.2 x 10-14-16-12
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Similar questions
Q.
Radius of the second Bohr orbit of a singly ionised helium atom is
Q.
The energy of
H
atom in
n
t
h
orbit is
E
n
, then energy in
n
t
h
orbit of singly ionised helium atom will be :
Q.
The ratio of radii of first orbit of hydrogen atom and the second orbit of singly ionised helium atom will be
Q.
The energy of hydrogen atom in nth orbit is
E
n
,
then the energy in nth orbit of singly ionised helium atom will be
Q.
The time period of revolution of electron in its ground state orbit in a hydrogen atom is
1.6
×
10
−
16
s
.
The frequency of revolution of the electron in its first excited state (in
s
−
1
) is :
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