Embibe Experts Solutions for Chapter: Structure of Atom, Exercise 1: BEGINNER'S BOX

When the electron of a hydrogen atom jumps from $\mathrm{n}=4$ to $\mathrm{n}=1$ state, the number of spectral lines emitted is

Select the incorrect statements among the following.

If the kinetic energy of an electron is increased four times, the wavelength of the de-Broglie wave associated with it would become

Velocity of de-Broglie wave is given by:

The representation of an orbital with $\mathrm{n}=4$ and $\mathrm{l}=1$:
 

Maximum number of electrons present in $\mathrm{M}$ shell is:

A neutral atom of an element has $2\mathrm{K},8\mathrm{L},11\mathrm{M}$ and $2\mathrm{N}$ electrons. The number of $\mathrm{p}$ -electrons in the atom are:-

In potassium the probable order of energy level for ${19}^{\text{th }}$ electron is: