List of top Chemistry Questions on Quantum Mechanical Model of Atom asked in BITSAT

An electron has magnetic quantum number ml = -3. What is its principal quantum number?
The number of radial nodes of $3s$ and $2p$ orbitals are respectively
An electron has magnetic quantum number ml=-3. What is its principal quantum number?
The correct order of magnetic moments (spin only values in B.M.) is:
The velocities of two particles $A$ and $B$ are $0.05$ and $0.02\, ms^{-1}$ respectively. The mass of $B$ is five times the mass of $A$. The ratio of their de- Broglie's wavelength is
Among the following sets of quantum numbers. Which one is incorrect for $4d$ electron ?