How many electrons can fit in the subshell for which n = 3 and l = 1?

1.	2	2.	6
3.	10	4.	14

Incorrect statement among the following is: 

A pair of d-orbitals having electron density along the axes is: 

1. $d_{z^2},$ $d_{xz}$

2. $d_{xz},$ $d_{zy}$

3. $d_{z^2},$ $d_{x^2-y^2}$

4. $d_{xy},$ $d_{x^2-y^2}$

The incorrect statement among the following is:

1.	Total orbital angular momentum of an electron in 's' orbital is equal to zero.
2.	An orbital is designated by three quantum numbers, while an electron in an atom is designated by four quantum numbers.
3.	The electronic configuration of N atom is
4.	The value of m for dz2 is zero.

Two electrons occupying the same orbital are distinguished by:

1. Magnetic quantum number
2. Azimuthal quantum number
3. Spin quantum number
4. Principal quantum number

Which is the correct order of increasing energy of the listed orbitals in the atom of titanium?
1. 3s 4s 3p 3d
2. 4s 3s 3p 3d
3. 3s 3p 3d 4s
4. 3s 3p 4s 3d

What is the maximum number of orbitals that can be identified with the following quantum numbers?
n = 3, l = 1, m = 0

Calculate the energy corresponding to light of wavelength 45 nm:
(Planck's constant h = 6.63 × 10^–34 Js:
speed of light c = 3 × 10⁸ ms^–1)
1. 6.67 x 10¹⁵ J
2. 6.67 x 10¹¹ J
3. 4.42 x 10^-15 J
4. 4.42 x 10^-18 J