1.
The charge/mass ratio of electron was measured by
2.
Magnetic quantum number determines ___
3.
Which has the maximum number of orbitals?
4.
The number of allowed m values for d-orbital is
5.
Which spectral line corresponds to the greatest energy difference?
6.
Bohr model is valid for
7.
The orbital degeneracy of f-subshell =
8.
Energy of an electron varies inversely with ___ in Bohr’s model
9.
Photoelectric effect proves ___
10.
If n=4, the number of possible electrons =
11.
In hydrogen, the wavelength of H-α is
12.
Which has maximum effective nuclear charge?
13.
Which describes wave nature of electron?
14.
Which is diamagnetic?
15.
Principal quantum number determines
16.
The maximum electrons in n=4 shell =
17.
The energy of a photon is proportional to
18.
A neutron was discovered by ___
19.
The uncertainty principle is significant for ___
20.
The correct set of quantum numbers for the last electron of Cl (Z=17) is
21.
The number of radial nodes in 3s =
22.
Rutherford model fails because it cannot explain ___
23.
Which transition emits visible light?
24.
Which quantum number determines shape of orbital?
25.
Aufbau principle fails for
26.
Which orbital has spherical symmetry?
27.
The orbital with highest penetration
28.
The ratio of de Broglie wavelengths of electrons in n=1 and n=3 orbits of H-atom is:
29.
Ionisation enthalpy of He is high due to
30.
Electron affinity increases ___
31.
Which has the smallest wavelength?
32.
The angular momentum of an electron in Bohr’s second orbit is proportional to ___
33.
The first line of Lyman series corresponds to transition
34.
Which has the highest penetration?
35.
The nodal plane concept is applicable to
36.
If an electron is in 3d orbital, the number of angular nodes =
37.
Wave number is proportional to
38.
The radius of second Bohr orbit of hydrogen (r₂) is
39.
Ionisation energy is lowest for
40.
Hund’s rule deals with
41.
Which subshell has highest energy?
42.
The ratio of velocities of electrons in n=1 and n=4 hydrogen orbits is
43.
The number of radial nodes in 4p orbital is ___
45.
Which emits IR radiation?
