Atomic Structure · Chemistry · TS EAMCET

The kinetic energy of electrons emitted, when radiation of frequency $1.0 \times 10^{15} \mathrm{~Hz}$ hits a metal, is $2 \times 10^{-19} \mathrm{~J}...

Identify the pair of species having same energy from the following. (The number given in the bracket corresponds to principal quantum number ( $n$ ) i...

Which one of the following corresponds to the wavelength of line spectrum of H atom in its Balmer series ? ( $R=$ Rydberg constant)