Previous year questions with solutions · 2000 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 3 | 2 | 1.5 | 3.33% ▼ 25% vs last year |
| 2025 | 2 | 1 | 2 | 4.44% ▲ 12.2% vs last year |
| 2024 | 4 | 2 | 2 | 3.96% ▲ 1% vs last year |
| 2023 | 2 | 1 | 2 | 3.92% ▼ 1% vs last year |
| 2022 | 4 | 2 | 2 | 3.96% ▼ 1% vs last year |
| 2021 | 2 | 1 | 2 | 4.00% ▲ 80% vs last year |
| 2020 | 1 | 1 | 1 | 2.22% ▼ 50% vs last year |
| 2019 | 2 | 1 | 2 | 4.44% ▲ 100% vs last year |
| 2018 | 1 | 1 | 1 | 2.22% same as last year |
| 2017 | 1 | 1 | 1 | 2.22% ▼ 33.3% vs last year |
| 2016 | 3 | 2 | 1.5 | 3.33% same as last year |
| 2015 | 3 | 2 | 1.5 | 3.33% ▼ 50% vs last year |
| 2014 | 3 | 1 | 3 | 6.67% ▲ 48.3% vs last year |
| 2013 | 4 | 2 | 2 | 4.49% ▲ 19.9% vs last year |
| 2012 | 3 | 2 | 1.5 | 3.75% ▼ 24.1% vs last year |
| 2011 | 4 | 2 | 2 | 4.94% ▲ 295.1% vs last year |
| 2010 | 1 | 2 | 0.5 | 1.25% ▼ 68.1% vs last year |
| 2009 | 2 | 1 | 2 | 3.92% same as last year |
| 2008 | 2 | 1 | 2 | 3.92% ▲ 96.1% vs last year |
| 2007 | 1 | 1 | 1 | 2.00% ▼ 50% vs last year |
| 2006 | 2 | 1 | 2 | 4.00% ▲ 100% vs last year |
| 2005 | 1 | 1 | 1 | 2.00% ▼ 52% vs last year |
| 2004 | 2 | 1 | 2 | 4.17% ▲ 104.2% vs last year |
| 2003 | 1 | 1 | 1 | 2.04% ▼ 49% vs last year |
| 2002 | 2 | 1 | 2 | 4.00% ▲ 2% vs last year |
| 2001 | 2 | 1 | 2 | 3.92% same as last year |
| 2000 | 2 | 1 | 2 | 3.92% |
The relation between nm (nm = the number of permissible values of magnetic quantum number (m)) for a given value of azimuthal quantum number (l), is
Two electrons occupying the same orbital are distinguished by
How many electrons can fit in the orbital for which n = 3 and l = 1?
What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = 1, ml = 0
What is the maximum number of electrons that can be associated with the following set of quantum numbers ? n = 3, l = 1 and m = -1
Maximum number of electrons in a subshell with l = 3 and n = 4 is
The correct set of four quantum numbers for the valence electron of rubidium atom (Z = 37) is
The total number of atomic orbitals in fourth energy level of an atom is
Maximum number of electrons in a subshell of an atom is determined by the following
Which of the following is not permissible arrangement of electrons in an atom ?
Consider the following sets of quantum numbers: array|c|c|c|c|c| & n & l & m & s \ (i) & 3 & 0 & 0 & +1/2 \ (ii) & 2 & 2 & 1 & +1/2 \ (iii) & 4 & 3 & -2 & -1/2 \ (iv) & 1 & 0 & -1 & -1/2 \ (v) & 3 & 2 & 3 & +1/2 \ array Which of the following sets of quantum numbers are not possible?
The orientation of an atomic orbital is governed by
The following quantum numbers are possible for how many orbitals : n = 3, l = 2, m = +2 ?