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Topic Question Set

Q 11 :

The work functions of two metals (MA​and MB) are in the 1 : 2 ratio. When these metals are exposed to photons of energy 6 eV, the kinetic energy of liberated electrons of MA:MB is in the ratio of 2.642 : 1. The work functions (in eV) of MA​and MB are respectively:    [2026]

  • 2.3, 4.6

     

  • 3.1, 6.2

     

  • 1.5, 3.0

     

  • 1.4, 2.8

     

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