Embibe Experts Solutions for Chapter: Structure of Atom, Exercise 1: EXERCISE-1

The approximate size of the nucleus of ${}_{28}{}^{64}\mathrm{Ni}$ is -

When alpha particles are sent through a thin metal foil, most of them go straight through the foil because-

The $\mathrm{MRI}$ (magnetic resonance imaging) body scanners used in hospitals operate with $400 \mathrm{MHz}$ radio frequency energy. The wavelength corresponding to this radio frequency is:

The value of Planck's constant is $6.63\times {10}^{-34}\mathrm{Js}$. The velocity of light is $3\times {10}^8 \mathrm{m}/\sec$. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of $8\times {10}^{15}{\sec }^{-1}$ -

What is likely to be principal quantum number for a circular orbit of diameter $20 \mathrm{nm}$ of the hydrogen atom if we assume Bohr orbit be the same as that represented by the principal quantum number?

Which is the correct relationship between energies of one electron species?

If velocity of an electron in ${\mathrm{1}}^{\mathrm{st} }$ orbit of $\mathrm{H}$ atom is $\mathrm{V}$, what will be the velocity of ${\mathrm{3}}^{\mathrm{rd} }$ orbit of ${\mathrm{Li}}^{+2}$ -

The spectrum of ${\mathrm{He}}^{+}$ is expected to be similar to that of