4 JEE Main 2003 Structure of Atom previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2003 previous-year questions from the Structure of Atom chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Structure of Atom chapter hub.
The de Broglie wavelength of a tennis ball of mass 60 ~g moving with a velocity of 10 metres per second is approximately
Which one of the following groupings represents a collection of isoelectronic species? (At. nos,: 55, Br:35)
The orbital angular momentum for an electron revolving in an orbit is given by √(l(l+1)) · h2 π. This momentum for an s…
In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following…