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Chemistry Question on Bohr’s Model for Hydrogen Atom

The stopping potential for the photoelectric emitted from a ;metal surface of work function 1.7 eV is 10.4V,Find the wavelength of the radiation used Also identify the energy levels in hydrogen atom, which will emit this Wavelength

A

1022 A0,n=3 to n=1A^0 , n=3\, to\, n=1

B

1022 A0,n=2 to n=1A^0 , n=2 \, to \, n=1

C

2044 A0,n=2 to n=1A^0 , n=2 \, to \, n=1

D

2044 A0,n=3 to n=1A^0 , n=3\, to\, n=1

Answer

1022 A0,n=3 to n=1A^0 , n=3\, to\, n=1

Explanation

Solution

E = K.Emax+w; λ=hcEK.E_{max} + w ; \, \lambda = \frac{hc}{E}