Q 1 :    

Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is

Given ν = frequency of X-ray emitted

          Z = atomic number                                                      [2023]

  • [IMAGE 1]

     

  • [IMAGE 2]

     

  • [IMAGE 3]

     

  • [IMAGE 4]

     

(2)

During bombardment of electron on metal surface.

Zν