Ultraviolet rays of wavelengths `800 Å` and `700 Å` fall on a hydrogen atom initially in its minimum energy state. As a result, electrons having energies 1.8 eV and 4.0 eV are emitted. Determine the value of Planck's constant

Ultraviolet light of wavelength 800 A and 700 A when allowed to fall on hydrogen atoms in their ground states is found to liberate electrons with kinetic energies 1.8eV and 4.0eV , respectively. Find the value of Planck's constant.

Ultraviolet light of wavelength 800 A and 700 A when allowed to fall on hydrogen atoms in their ground states is found to liberate electrons with kinetic energies 1.8eV and 4.0eV , respectively. Find the value of Planck's constant.

Ultraviolet light of wavelength 800 A and 700 A when allowed to fall on hydrogen atoms in their ground states is found to liberate electrons with kinetic energies 1.8eV and 4.0eV , respectively. Find the value of Planck's constant.

Ultraviolet radiations of wavelengths 800 Å and 700 Å when allowed to fall on Hydrogen atoms in their ground state, were found to liberate electrons with maximum kinetic energies 1.96 eV and 4.18 eV respectively. Calculate Planck,s constant and work function or ionisation energy of the hydrogen atom.

Ultraviolet light of wavelengths lambda_(1) and lambda_(2) when allowed to fall on hydrogen atoms in their ground state is found to liberate electrons with kinetic energy 1.8 eV and 4.0 eV respectively. Find the value of (lambda_(1))/(lambda_(2)) .

Ultraviolet light of wavelengths lambda_(1) and lambda_(2) when allowed to fall on hydrogen atoms in their ground state is found to liberate electrons with kinetic energy 1.8 eV and 4.0 eV respectively. Find the value of (lambda_(1))/(lambda_(2)) .

U.V. light of wavelenght 800Å & 700Å falls on hydrongen atoms in thir ground state & liberates electrons with kinetic energy 1.8eV and 4eV respectively . Calculate planck 's constant.

U.V . light of wavelength 800A^(@)&700A^(@) falls on hydrogen atoms in their ground state & liberates electrons with kinetic energy 1.8eV and 4eV respectively. Calculate planck's constant.

U.V . light of wavelength 800A^(@)&700A^(@) falls on hydrogen atoms in their ground state & liberates electrons with kinetic energy 1.8eV and 4eV respectively. Calculate planck's constant.

U.V . light of wavelength 800A^(@)&700A^(@) falls on hydrogen atoms in their ground state & liberates electrons with kinetic energy 1.8eV and 4eV respectively. Calculate planck's constant.