Twenty JEE Main and JEE Advanced questions on the structure of the atom: photons and the photoelectric effect, the Bohr model and the spectra of hydrogen and hydrogen-like ions, de Broglie waves and the uncertainty principle, orbitals, nodes and quantum numbers, and electronic configurations. Most have one correct option; four ask for a number and three have one or more correct options. Every question has a hint and a full worked solution.
ChemistryHigh School (11–12)Light, Atomic Spectra and the Bohr ModelJEE MainJEE Advanced
questions
20
questions
at your own pace
Untimed
at your own pace
marks
20
marks
right / wrong
+1 / 0
right / wrong
At a glance
Part
Questions
Marks
All questions
20
20
13 with one correct option, 3 with one or more correct options, 4 with a number to type.
Marking
Right answer: +1
Wrong answer: 0, nothing taken away
Left blank: 0
One or more correct: only right options, but not all of them, earns part of the marks.