Time : 30 Minute
9.23 Mev
931 MeV
1 : 3
1 : 2
2: 3
4 : 9
Lymann series
Balmer series
Paschen series
None of the above
10 m/s
106 m/s
10-6 m/s
108 m/s
0.5 Ǻ
1 Ǻ
2 Ǻ
4 Ǻ
Of the electrons not being subject to a central force
Of the electrons colliding with each other
Of screening effect
The force between the nucleus and an electron will no longer be given by Coulomb’s Law
10.20 eV
20.40 eV
13.6 eV
27.2 eV
2
3
5
6
53 pm
27 pm
18 pm
13 pm
N = 2 to n = 6
N = 6 to n = 2
N = 1 to n = 2
N = 2 to n = 1
Directly proportional to mass M
Directly proportional to Qq
Directly proportional to Q
Chadwick
Bohr
Maxwell
Anderson
–13.6 MeV
–13.6 eV
–13.6 J
13.6 J
Increases
Decreases
Remains constant
First increases then decreases