Question no 9 and 10

# Doubt from atomic structure

**abhijit_2020**#1

**aditya_2020**#2

Q9 Find energy by the formula hc/(wavelength). Some Energy will go into ionising the H atom rest will be its kinetic energy

**aditya_2020**#3

Q10 orbital angular momentum= √2h/2π

A Q9 the energy is less than ionisation potential therefore the electron will just move an excited state.